Home / 99,648,045.60-149,472,068.40-31,511,623.20

Finding the Fourth Proportional to 99,648,045.60, 149,472,068.40 and 31,511,623.20

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Solution

The fourth proportional to 99,648,045.60, 149,472,068.40 and 31,511,623.20 is: 47,267,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,045.60 : 149,472,068.40 = 31,511,623.20 : x
  2. Step 2: Convert to fraction form
    99,648,045.60/149,472,068.40 = 31,511,623.20/x
  3. Step 3: Cross multiply
    99,648,045.60x = 149,472,068.40 × 31,511,623.20
  4. Step 4: Simplify right side
    99,648,045.60x = 4,710,107,498,345,427
  5. Step 5: Solve for x
    x = 4,710,107,498,345,427/99,648,045.60
  6. Step 6: Final answer
    x = 47,267,434.80

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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.