Home / 124,127,333.79-171,289,389.59-68,371,553.92

Finding the Fourth Proportional to 124,127,333.79, 171,289,389.59 and 68,371,553.92

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Solution

The fourth proportional to 124,127,333.79, 171,289,389.59 and 68,371,553.92 is: 94,349,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,127,333.79 : 171,289,389.59 = 68,371,553.92 : x
  2. Step 2: Convert to fraction form
    124,127,333.79/171,289,389.59 = 68,371,553.92/x
  3. Step 3: Cross multiply
    124,127,333.79x = 171,289,389.59 × 68,371,553.92
  4. Step 4: Simplify right side
    124,127,333.79x = 11,711,321,736,276,572
  5. Step 5: Solve for x
    x = 11,711,321,736,276,572/124,127,333.79
  6. Step 6: Final answer
    x = 94,349,257.16

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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.