Home / 90,115,967.19-124,362,480.05-50,963,598.83

Finding the Fourth Proportional to 90,115,967.19, 124,362,480.05 and 50,963,598.83

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Solution

The fourth proportional to 90,115,967.19, 124,362,480.05 and 50,963,598.83 is: 70,331,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,115,967.19 : 124,362,480.05 = 50,963,598.83 : x
  2. Step 2: Convert to fraction form
    90,115,967.19/124,362,480.05 = 50,963,598.83/x
  3. Step 3: Cross multiply
    90,115,967.19x = 124,362,480.05 × 50,963,598.83
  4. Step 4: Simplify right side
    90,115,967.19x = 6,337,959,541,895,448
  5. Step 5: Solve for x
    x = 6,337,959,541,895,448/90,115,967.19
  6. Step 6: Final answer
    x = 70,331,149.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.