Home / 56,918,024.20-78,546,856.26-30,812,522.92

Finding the Fourth Proportional to 56,918,024.20, 78,546,856.26 and 30,812,522.92

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Solution

The fourth proportional to 56,918,024.20, 78,546,856.26 and 30,812,522.92 is: 42,521,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918,024.20 : 78,546,856.26 = 30,812,522.92 : x
  2. Step 2: Convert to fraction form
    56,918,024.20/78,546,856.26 = 30,812,522.92/x
  3. Step 3: Cross multiply
    56,918,024.20x = 78,546,856.26 × 30,812,522.92
  4. Step 4: Simplify right side
    56,918,024.20x = 2,420,226,808,805,196
  5. Step 5: Solve for x
    x = 2,420,226,808,805,196/56,918,024.20
  6. Step 6: Final answer
    x = 42,521,272.35

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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.