Home / 74,890,149.20-112,335,223.80-31,752,011.60

Finding the Fourth Proportional to 74,890,149.20, 112,335,223.80 and 31,752,011.60

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Solution

The fourth proportional to 74,890,149.20, 112,335,223.80 and 31,752,011.60 is: 47,628,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,149.20 : 112,335,223.80 = 31,752,011.60 : x
  2. Step 2: Convert to fraction form
    74,890,149.20/112,335,223.80 = 31,752,011.60/x
  3. Step 3: Cross multiply
    74,890,149.20x = 112,335,223.80 × 31,752,011.60
  4. Step 4: Simplify right side
    74,890,149.20x = 3,566,869,329,186,196
  5. Step 5: Solve for x
    x = 3,566,869,329,186,196/74,890,149.20
  6. Step 6: Final answer
    x = 47,628,017.40

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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.