Home / 52,151,721.60-78,196,478.40-31,971,446.40

Finding the Fourth Proportional to 52,151,721.60, 78,196,478.40 and 31,971,446.40

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Solution

The fourth proportional to 52,151,721.60, 78,196,478.40 and 31,971,446.40 is: 47,938,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,151,721.60 : 78,196,478.40 = 31,971,446.40 : x
  2. Step 2: Convert to fraction form
    52,151,721.60/78,196,478.40 = 31,971,446.40/x
  3. Step 3: Cross multiply
    52,151,721.60x = 78,196,478.40 × 31,971,446.40
  4. Step 4: Simplify right side
    52,151,721.60x = 2,500,054,517,834,358
  5. Step 5: Solve for x
    x = 2,500,054,517,834,358/52,151,721.60
  6. Step 6: Final answer
    x = 47,938,101.39

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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.