Home / 68,984,838,282.20-103,477,257,423.30-37,639,172,643.80

Finding the Fourth Proportional to 68,984,838,282.20, 103,477,257,423.30 and 37,639,172,643.80

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Solution

The fourth proportional to 68,984,838,282.20, 103,477,257,423.30 and 37,639,172,643.80 is: 56,458,758,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984,838,282.20 : 103,477,257,423.30 = 37,639,172,643.80 : x
  2. Step 2: Convert to fraction form
    68,984,838,282.20/103,477,257,423.30 = 37,639,172,643.80/x
  3. Step 3: Cross multiply
    68,984,838,282.20x = 103,477,257,423.30 × 37,639,172,643.80
  4. Step 4: Simplify right side
    68,984,838,282.20x = 3,894,798,356,862,524,194,816
  5. Step 5: Solve for x
    x = 3,894,798,356,862,524,194,816/68,984,838,282.20
  6. Step 6: Final answer
    x = 56,458,758,965.70

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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.