Home / 145,220,114.10-217,830,171.15-53,103,674.10

Finding the Fourth Proportional to 145,220,114.10, 217,830,171.15 and 53,103,674.10

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Solution

The fourth proportional to 145,220,114.10, 217,830,171.15 and 53,103,674.10 is: 79,655,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,114.10 : 217,830,171.15 = 53,103,674.10 : x
  2. Step 2: Convert to fraction form
    145,220,114.10/217,830,171.15 = 53,103,674.10/x
  3. Step 3: Cross multiply
    145,220,114.10x = 217,830,171.15 × 53,103,674.10
  4. Step 4: Simplify right side
    145,220,114.10x = 11,567,582,417,896,822
  5. Step 5: Solve for x
    x = 11,567,582,417,896,822/145,220,114.10
  6. Step 6: Final answer
    x = 79,655,511.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.