Home / 145,514,124.20-218,305,592.40-47,145,671.72

Finding the Fourth Proportional to 145,514,124.20, 218,305,592.40 and 47,145,671.72

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Solution

The fourth proportional to 145,514,124.20, 218,305,592.40 and 47,145,671.72 is: 70,729,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514,124.20 : 218,305,592.40 = 47,145,671.72 : x
  2. Step 2: Convert to fraction form
    145,514,124.20/218,305,592.40 = 47,145,671.72/x
  3. Step 3: Cross multiply
    145,514,124.20x = 218,305,592.40 × 47,145,671.72
  4. Step 4: Simplify right side
    145,514,124.20x = 10,292,163,793,930,526
  5. Step 5: Solve for x
    x = 10,292,163,793,930,526/145,514,124.20
  6. Step 6: Final answer
    x = 70,729,654.94

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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.