Home / 102,981,864.58-142,152,264.83-68,185,765.10

Finding the Fourth Proportional to 102,981,864.58, 142,152,264.83 and 68,185,765.10

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Solution

The fourth proportional to 102,981,864.58, 142,152,264.83 and 68,185,765.10 is: 94,121,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,981,864.58 : 142,152,264.83 = 68,185,765.10 : x
  2. Step 2: Convert to fraction form
    102,981,864.58/142,152,264.83 = 68,185,765.10/x
  3. Step 3: Cross multiply
    102,981,864.58x = 142,152,264.83 × 68,185,765.10
  4. Step 4: Simplify right side
    102,981,864.58x = 9,692,760,938,657,218
  5. Step 5: Solve for x
    x = 9,692,760,938,657,218/102,981,864.58
  6. Step 6: Final answer
    x = 94,121,047.22

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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.