Home / 99,680,157.90-149,359,273.65-56,420,714.70

Finding the Fourth Proportional to 99,680,157.90, 149,359,273.65 and 56,420,714.70

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Solution

The fourth proportional to 99,680,157.90, 149,359,273.65 and 56,420,714.70 is: 84,539,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680,157.90 : 149,359,273.65 = 56,420,714.70 : x
  2. Step 2: Convert to fraction form
    99,680,157.90/149,359,273.65 = 56,420,714.70/x
  3. Step 3: Cross multiply
    99,680,157.90x = 149,359,273.65 × 56,420,714.70
  4. Step 4: Simplify right side
    99,680,157.90x = 8,426,956,966,405,878
  5. Step 5: Solve for x
    x = 8,426,956,966,405,878/99,680,157.90
  6. Step 6: Final answer
    x = 84,539,964.06

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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.