Home / 115,925,025.60-173,688,472.80-75,514,708.80

Finding the Fourth Proportional to 115,925,025.60, 173,688,472.80 and 75,514,708.80

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Solution

The fourth proportional to 115,925,025.60, 173,688,472.80 and 75,514,708.80 is: 113,142,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,925,025.60 : 173,688,472.80 = 75,514,708.80 : x
  2. Step 2: Convert to fraction form
    115,925,025.60/173,688,472.80 = 75,514,708.80/x
  3. Step 3: Cross multiply
    115,925,025.60x = 173,688,472.80 × 75,514,708.80
  4. Step 4: Simplify right side
    115,925,025.60x = 13,116,034,445,408,722
  5. Step 5: Solve for x
    x = 13,116,034,445,408,722/115,925,025.60
  6. Step 6: Final answer
    x = 113,142,389.90

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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.