Home / 99,648,328.60-149,472,492.90-31,511,906.20

Finding the Fourth Proportional to 99,648,328.60, 149,472,492.90 and 31,511,906.20

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Solution

The fourth proportional to 99,648,328.60, 149,472,492.90 and 31,511,906.20 is: 47,267,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,328.60 : 149,472,492.90 = 31,511,906.20 : x
  2. Step 2: Convert to fraction form
    99,648,328.60/149,472,492.90 = 31,511,906.20/x
  3. Step 3: Cross multiply
    99,648,328.60x = 149,472,492.90 × 31,511,906.20
  4. Step 4: Simplify right side
    99,648,328.60x = 4,710,163,175,744,966
  5. Step 5: Solve for x
    x = 4,710,163,175,744,966/99,648,328.60
  6. Step 6: Final answer
    x = 47,267,859.30

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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.