Home / 99,255,968.80-148,884,007.20-31,103,994.40

Finding the Fourth Proportional to 99,255,968.80, 148,884,007.20 and 31,103,994.40

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Solution

The fourth proportional to 99,255,968.80, 148,884,007.20 and 31,103,994.40 is: 46,656,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255,968.80 : 148,884,007.20 = 31,103,994.40 : x
  2. Step 2: Convert to fraction form
    99,255,968.80/148,884,007.20 = 31,103,994.40/x
  3. Step 3: Cross multiply
    99,255,968.80x = 148,884,007.20 × 31,103,994.40
  4. Step 4: Simplify right side
    99,255,968.80x = 4,630,887,326,198,359
  5. Step 5: Solve for x
    x = 4,630,887,326,198,359/99,255,968.80
  6. Step 6: Final answer
    x = 46,656,008.52

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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.