Home / 99,793,349.40-149,711,796.90-56,683,205.40

Finding the Fourth Proportional to 99,793,349.40, 149,711,796.90 and 56,683,205.40

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Solution

The fourth proportional to 99,793,349.40, 149,711,796.90 and 56,683,205.40 is: 85,037,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793,349.40 : 149,711,796.90 = 56,683,205.40 : x
  2. Step 2: Convert to fraction form
    99,793,349.40/149,711,796.90 = 56,683,205.40/x
  3. Step 3: Cross multiply
    99,793,349.40x = 149,711,796.90 × 56,683,205.40
  4. Step 4: Simplify right side
    99,793,349.40x = 8,486,144,534,485,783
  5. Step 5: Solve for x
    x = 8,486,144,534,485,783/99,793,349.40
  6. Step 6: Final answer
    x = 85,037,175.18

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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.