Home / 151,351,191.32-208,864,636.02-81,736,565.49

Finding the Fourth Proportional to 151,351,191.32, 208,864,636.02 and 81,736,565.49

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Solution

The fourth proportional to 151,351,191.32, 208,864,636.02 and 81,736,565.49 is: 112,796,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351,191.32 : 208,864,636.02 = 81,736,565.49 : x
  2. Step 2: Convert to fraction form
    151,351,191.32/208,864,636.02 = 81,736,565.49/x
  3. Step 3: Cross multiply
    151,351,191.32x = 208,864,636.02 × 81,736,565.49
  4. Step 4: Simplify right side
    151,351,191.32x = 17,071,878,000,593,742
  5. Step 5: Solve for x
    x = 17,071,878,000,593,742/151,351,191.32
  6. Step 6: Final answer
    x = 112,796,456.06

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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.