Home / 85,905,545.63-118,549,672.47-47,274,377.63

Finding the Fourth Proportional to 85,905,545.63, 118,549,672.47 and 47,274,377.63

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Solution

The fourth proportional to 85,905,545.63, 118,549,672.47 and 47,274,377.63 is: 65,238,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905,545.63 : 118,549,672.47 = 47,274,377.63 : x
  2. Step 2: Convert to fraction form
    85,905,545.63/118,549,672.47 = 47,274,377.63/x
  3. Step 3: Cross multiply
    85,905,545.63x = 118,549,672.47 × 47,274,377.63
  4. Step 4: Simplify right side
    85,905,545.63x = 5,604,361,983,666,846
  5. Step 5: Solve for x
    x = 5,604,361,983,666,846/85,905,545.63
  6. Step 6: Final answer
    x = 65,238,651.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.