Home / 114,956,948.90-172,435,423.35-74,142,280.10

Finding the Fourth Proportional to 114,956,948.90, 172,435,423.35 and 74,142,280.10

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Solution

The fourth proportional to 114,956,948.90, 172,435,423.35 and 74,142,280.10 is: 111,213,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,956,948.90 : 172,435,423.35 = 74,142,280.10 : x
  2. Step 2: Convert to fraction form
    114,956,948.90/172,435,423.35 = 74,142,280.10/x
  3. Step 3: Cross multiply
    114,956,948.90x = 172,435,423.35 × 74,142,280.10
  4. Step 4: Simplify right side
    114,956,948.90x = 12,784,755,457,177,778
  5. Step 5: Solve for x
    x = 12,784,755,457,177,778/114,956,948.90
  6. Step 6: Final answer
    x = 111,213,420.15

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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.