Home / 83,016,784.80-124,578,321.30-48,473,119.80

Finding the Fourth Proportional to 83,016,784.80, 124,578,321.30 and 48,473,119.80

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Solution

The fourth proportional to 83,016,784.80, 124,578,321.30 and 48,473,119.80 is: 72,740,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016,784.80 : 124,578,321.30 = 48,473,119.80 : x
  2. Step 2: Convert to fraction form
    83,016,784.80/124,578,321.30 = 48,473,119.80/x
  3. Step 3: Cross multiply
    83,016,784.80x = 124,578,321.30 × 48,473,119.80
  4. Step 4: Simplify right side
    83,016,784.80x = 6,038,699,892,857,791
  5. Step 5: Solve for x
    x = 6,038,699,892,857,791/83,016,784.80
  6. Step 6: Final answer
    x = 72,740,710.30

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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.