Home / 145,220,125.10-217,830,187.65-53,103,685.10

Finding the Fourth Proportional to 145,220,125.10, 217,830,187.65 and 53,103,685.10

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Solution

The fourth proportional to 145,220,125.10, 217,830,187.65 and 53,103,685.10 is: 79,655,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,125.10 : 217,830,187.65 = 53,103,685.10 : x
  2. Step 2: Convert to fraction form
    145,220,125.10/217,830,187.65 = 53,103,685.10/x
  3. Step 3: Cross multiply
    145,220,125.10x = 217,830,187.65 × 53,103,685.10
  4. Step 4: Simplify right side
    145,220,125.10x = 11,567,585,690,239,510
  5. Step 5: Solve for x
    x = 11,567,585,690,239,510/145,220,125.10
  6. Step 6: Final answer
    x = 79,655,527.65

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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.