Home / 63,871,074,006.12-88,169,221,843.38-39,796,989,931.62

Finding the Fourth Proportional to 63,871,074,006.12, 88,169,221,843.38 and 39,796,989,931.62

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Solution

The fourth proportional to 63,871,074,006.12, 88,169,221,843.38 and 39,796,989,931.62 is: 54,936,756,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,871,074,006.12 : 88,169,221,843.38 = 39,796,989,931.62 : x
  2. Step 2: Convert to fraction form
    63,871,074,006.12/88,169,221,843.38 = 39,796,989,931.62/x
  3. Step 3: Cross multiply
    63,871,074,006.12x = 88,169,221,843.38 × 39,796,989,931.62
  4. Step 4: Simplify right side
    63,871,074,006.12x = 3,508,869,633,979,764,441,088
  5. Step 5: Solve for x
    x = 3,508,869,633,979,764,441,088/63,871,074,006.12
  6. Step 6: Final answer
    x = 54,936,756,404.68

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Why These Related Problems?

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