Home / 99,567,983.60-149,340,916.20-81,585,724.40

Finding the Fourth Proportional to 99,567,983.60, 149,340,916.20 and 81,585,724.40

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Solution

The fourth proportional to 99,567,983.60, 149,340,916.20 and 81,585,724.40 is: 122,369,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567,983.60 : 149,340,916.20 = 81,585,724.40 : x
  2. Step 2: Convert to fraction form
    99,567,983.60/149,340,916.20 = 81,585,724.40/x
  3. Step 3: Cross multiply
    99,567,983.60x = 149,340,916.20 × 81,585,724.40
  4. Step 4: Simplify right side
    99,567,983.60x = 12,184,086,830,736,696
  5. Step 5: Solve for x
    x = 12,184,086,830,736,696/99,567,983.60
  6. Step 6: Final answer
    x = 122,369,524.72

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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.