Home / 86,607,264.96-129,872,069.28-51,608,885.40

Finding the Fourth Proportional to 86,607,264.96, 129,872,069.28 and 51,608,885.40

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Solution

The fourth proportional to 86,607,264.96, 129,872,069.28 and 51,608,885.40 is: 77,390,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,607,264.96 : 129,872,069.28 = 51,608,885.40 : x
  2. Step 2: Convert to fraction form
    86,607,264.96/129,872,069.28 = 51,608,885.40/x
  3. Step 3: Cross multiply
    86,607,264.96x = 129,872,069.28 × 51,608,885.40
  4. Step 4: Simplify right side
    86,607,264.96x = 6,702,552,740,132,380
  5. Step 5: Solve for x
    x = 6,702,552,740,132,380/86,607,264.96
  6. Step 6: Final answer
    x = 77,390,190.57

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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.