Home / 55,358,643.10-83,037,964.65-52,169,997.10

Finding the Fourth Proportional to 55,358,643.10, 83,037,964.65 and 52,169,997.10

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Solution

The fourth proportional to 55,358,643.10, 83,037,964.65 and 52,169,997.10 is: 78,254,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358,643.10 : 83,037,964.65 = 52,169,997.10 : x
  2. Step 2: Convert to fraction form
    55,358,643.10/83,037,964.65 = 52,169,997.10/x
  3. Step 3: Cross multiply
    55,358,643.10x = 83,037,964.65 × 52,169,997.10
  4. Step 4: Simplify right side
    55,358,643.10x = 4,332,090,374,980,403
  5. Step 5: Solve for x
    x = 4,332,090,374,980,403/55,358,643.10
  6. Step 6: Final answer
    x = 78,254,995.65

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Double scale
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Similar ratio
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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.