Home / 39,140,006.40-58,710,009.60-38,762,092.80

Finding the Fourth Proportional to 39,140,006.40, 58,710,009.60 and 38,762,092.80

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Solution

The fourth proportional to 39,140,006.40, 58,710,009.60 and 38,762,092.80 is: 58,143,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140,006.40 : 58,710,009.60 = 38,762,092.80 : x
  2. Step 2: Convert to fraction form
    39,140,006.40/58,710,009.60 = 38,762,092.80/x
  3. Step 3: Cross multiply
    39,140,006.40x = 58,710,009.60 × 38,762,092.80
  4. Step 4: Simplify right side
    39,140,006.40x = 2,275,722,840,404,091
  5. Step 5: Solve for x
    x = 2,275,722,840,404,091/39,140,006.40
  6. Step 6: Final answer
    x = 58,143,139.20

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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.