Home / 52,073,017.32-78,103,531.98-20,947,503.72

Finding the Fourth Proportional to 52,073,017.32, 78,103,531.98 and 20,947,503.72

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Solution

The fourth proportional to 52,073,017.32, 78,103,531.98 and 20,947,503.72 is: 31,418,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073,017.32 : 78,103,531.98 = 20,947,503.72 : x
  2. Step 2: Convert to fraction form
    52,073,017.32/78,103,531.98 = 20,947,503.72/x
  3. Step 3: Cross multiply
    52,073,017.32x = 78,103,531.98 × 20,947,503.72
  4. Step 4: Simplify right side
    52,073,017.32x = 1,636,074,026,696,189
  5. Step 5: Solve for x
    x = 1,636,074,026,696,189/52,073,017.32
  6. Step 6: Final answer
    x = 31,418,844.36

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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.