Home / 75,140,612.34-112,632,260.28-31,446,406.74

Finding the Fourth Proportional to 75,140,612.34, 112,632,260.28 and 31,446,406.74

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Solution

The fourth proportional to 75,140,612.34, 112,632,260.28 and 31,446,406.74 is: 47,136,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140,612.34 : 112,632,260.28 = 31,446,406.74 : x
  2. Step 2: Convert to fraction form
    75,140,612.34/112,632,260.28 = 31,446,406.74/x
  3. Step 3: Cross multiply
    75,140,612.34x = 112,632,260.28 × 31,446,406.74
  4. Step 4: Simplify right side
    75,140,612.34x = 3,541,879,868,810,426
  5. Step 5: Solve for x
    x = 3,541,879,868,810,426/75,140,612.34
  6. Step 6: Final answer
    x = 47,136,691.58

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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.