Home / 99,656,442.90-149,323,701.15-56,396,999.70

Finding the Fourth Proportional to 99,656,442.90, 149,323,701.15 and 56,396,999.70

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Solution

The fourth proportional to 99,656,442.90, 149,323,701.15 and 56,396,999.70 is: 84,504,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656,442.90 : 149,323,701.15 = 56,396,999.70 : x
  2. Step 2: Convert to fraction form
    99,656,442.90/149,323,701.15 = 56,396,999.70/x
  3. Step 3: Cross multiply
    99,656,442.90x = 149,323,701.15 × 56,396,999.70
  4. Step 4: Simplify right side
    99,656,442.90x = 8,421,408,728,959,440
  5. Step 5: Solve for x
    x = 8,421,408,728,959,440/99,656,442.90
  6. Step 6: Final answer
    x = 84,504,408.18

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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.