Home / 124,226,850.60-186,340,275.90-78,310,348.20

Finding the Fourth Proportional to 124,226,850.60, 186,340,275.90 and 78,310,348.20

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Solution

The fourth proportional to 124,226,850.60, 186,340,275.90 and 78,310,348.20 is: 117,465,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,226,850.60 : 186,340,275.90 = 78,310,348.20 : x
  2. Step 2: Convert to fraction form
    124,226,850.60/186,340,275.90 = 78,310,348.20/x
  3. Step 3: Cross multiply
    124,226,850.60x = 186,340,275.90 × 78,310,348.20
  4. Step 4: Simplify right side
    124,226,850.60x = 14,592,371,889,413,070
  5. Step 5: Solve for x
    x = 14,592,371,889,413,070/124,226,850.60
  6. Step 6: Final answer
    x = 117,465,522.30

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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.