Home / 56,117,411.40-84,176,117.10-47,897,790.60

Finding the Fourth Proportional to 56,117,411.40, 84,176,117.10 and 47,897,790.60

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Solution

The fourth proportional to 56,117,411.40, 84,176,117.10 and 47,897,790.60 is: 71,846,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117,411.40 : 84,176,117.10 = 47,897,790.60 : x
  2. Step 2: Convert to fraction form
    56,117,411.40/84,176,117.10 = 47,897,790.60/x
  3. Step 3: Cross multiply
    56,117,411.40x = 84,176,117.10 × 47,897,790.60
  4. Step 4: Simplify right side
    56,117,411.40x = 4,031,850,030,376,879
  5. Step 5: Solve for x
    x = 4,031,850,030,376,879/56,117,411.40
  6. Step 6: Final answer
    x = 71,846,685.90

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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.