Home / 83,118,095.76-124,710,211.08-31,986,385.68

Finding the Fourth Proportional to 83,118,095.76, 124,710,211.08 and 31,986,385.68

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Solution

The fourth proportional to 83,118,095.76, 124,710,211.08 and 31,986,385.68 is: 47,992,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118,095.76 : 124,710,211.08 = 31,986,385.68 : x
  2. Step 2: Convert to fraction form
    83,118,095.76/124,710,211.08 = 31,986,385.68/x
  3. Step 3: Cross multiply
    83,118,095.76x = 124,710,211.08 × 31,986,385.68
  4. Step 4: Simplify right side
    83,118,095.76x = 3,989,028,909,839,089
  5. Step 5: Solve for x
    x = 3,989,028,909,839,089/83,118,095.76
  6. Step 6: Final answer
    x = 47,992,303.88

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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.