Home / 83,941,167.76-115,839,271.03-48,679,879.34

Finding the Fourth Proportional to 83,941,167.76, 115,839,271.03 and 48,679,879.34

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Solution

The fourth proportional to 83,941,167.76, 115,839,271.03 and 48,679,879.34 is: 67,178,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,941,167.76 : 115,839,271.03 = 48,679,879.34 : x
  2. Step 2: Convert to fraction form
    83,941,167.76/115,839,271.03 = 48,679,879.34/x
  3. Step 3: Cross multiply
    83,941,167.76x = 115,839,271.03 × 48,679,879.34
  4. Step 4: Simplify right side
    83,941,167.76x = 5,639,041,736,644,308
  5. Step 5: Solve for x
    x = 5,639,041,736,644,308/83,941,167.76
  6. Step 6: Final answer
    x = 67,178,499.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.