Home / 159,487,301.28-220,092,441.84-86,148,444

Finding the Fourth Proportional to 159,487,301.28, 220,092,441.84 and 86,148,444

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Solution

The fourth proportional to 159,487,301.28, 220,092,441.84 and 86,148,444 is: 118,884,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487,301.28 : 220,092,441.84 = 86,148,444 : x
  2. Step 2: Convert to fraction form
    159,487,301.28/220,092,441.84 = 86,148,444/x
  3. Step 3: Cross multiply
    159,487,301.28x = 220,092,441.84 × 86,148,444
  4. Step 4: Simplify right side
    159,487,301.28x = 18,960,621,400,676,496
  5. Step 5: Solve for x
    x = 18,960,621,400,676,496/159,487,301.28
  6. Step 6: Final answer
    x = 118,884,834.39

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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.