Home / 239,831,366.40-359,526,608.64-86,439,882.24

Finding the Fourth Proportional to 239,831,366.40, 359,526,608.64 and 86,439,882.24

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Solution

The fourth proportional to 239,831,366.40, 359,526,608.64 and 86,439,882.24 is: 129,580,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,831,366.40 : 359,526,608.64 = 86,439,882.24 : x
  2. Step 2: Convert to fraction form
    239,831,366.40/359,526,608.64 = 86,439,882.24/x
  3. Step 3: Cross multiply
    239,831,366.40x = 359,526,608.64 × 86,439,882.24
  4. Step 4: Simplify right side
    239,831,366.40x = 31,077,437,712,988,164
  5. Step 5: Solve for x
    x = 31,077,437,712,988,164/239,831,366.40
  6. Step 6: Final answer
    x = 129,580,372.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.