Home / 56,167,620.40-84,251,430.60-45,963,953.20

Finding the Fourth Proportional to 56,167,620.40, 84,251,430.60 and 45,963,953.20

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Solution

The fourth proportional to 56,167,620.40, 84,251,430.60 and 45,963,953.20 is: 68,945,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167,620.40 : 84,251,430.60 = 45,963,953.20 : x
  2. Step 2: Convert to fraction form
    56,167,620.40/84,251,430.60 = 45,963,953.20/x
  3. Step 3: Cross multiply
    56,167,620.40x = 84,251,430.60 × 45,963,953.20
  4. Step 4: Simplify right side
    56,167,620.40x = 3,872,528,813,131,448
  5. Step 5: Solve for x
    x = 3,872,528,813,131,448/56,167,620.40
  6. Step 6: Final answer
    x = 68,945,929.80

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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.