Home / 159,473,551.50-220,073,649.38-86,134,693.50

Finding the Fourth Proportional to 159,473,551.50, 220,073,649.38 and 86,134,693.50

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Solution

The fourth proportional to 159,473,551.50, 220,073,649.38 and 86,134,693.50 is: 118,865,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,473,551.50 : 220,073,649.38 = 86,134,693.50 : x
  2. Step 2: Convert to fraction form
    159,473,551.50/220,073,649.38 = 86,134,693.50/x
  3. Step 3: Cross multiply
    159,473,551.50x = 220,073,649.38 × 86,134,693.50
  4. Step 4: Simplify right side
    159,473,551.50x = 18,955,976,335,241,724
  5. Step 5: Solve for x
    x = 18,955,976,335,241,724/159,473,551.50
  6. Step 6: Final answer
    x = 118,865,957.13

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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.