Home / 98,916,937.29-136,521,713.12-54,878,123.84

Finding the Fourth Proportional to 98,916,937.29, 136,521,713.12 and 54,878,123.84

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Solution

The fourth proportional to 98,916,937.29, 136,521,713.12 and 54,878,123.84 is: 75,740,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916,937.29 : 136,521,713.12 = 54,878,123.84 : x
  2. Step 2: Convert to fraction form
    98,916,937.29/136,521,713.12 = 54,878,123.84/x
  3. Step 3: Cross multiply
    98,916,937.29x = 136,521,713.12 × 54,878,123.84
  4. Step 4: Simplify right side
    98,916,937.29x = 7,492,055,478,491,314
  5. Step 5: Solve for x
    x = 7,492,055,478,491,314/98,916,937.29
  6. Step 6: Final answer
    x = 75,740,875.97

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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.