Home / 84,301,332.37-126,255,572.98-81,974,119.02

Finding the Fourth Proportional to 84,301,332.37, 126,255,572.98 and 81,974,119.02

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Solution

The fourth proportional to 84,301,332.37, 126,255,572.98 and 81,974,119.02 is: 122,770,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,301,332.37 : 126,255,572.98 = 81,974,119.02 : x
  2. Step 2: Convert to fraction form
    84,301,332.37/126,255,572.98 = 81,974,119.02/x
  3. Step 3: Cross multiply
    84,301,332.37x = 126,255,572.98 × 81,974,119.02
  4. Step 4: Simplify right side
    84,301,332.37x = 10,349,689,366,423,510
  5. Step 5: Solve for x
    x = 10,349,689,366,423,510/84,301,332.37
  6. Step 6: Final answer
    x = 122,770,175.45

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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.