Home / 102,428,071,230.87-141,352,411,763.25-56,077,725,213.63

Finding the Fourth Proportional to 102,428,071,230.87, 141,352,411,763.25 and 56,077,725,213.63

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Solution

The fourth proportional to 102,428,071,230.87, 141,352,411,763.25 and 56,077,725,213.63 is: 77,388,176,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,428,071,230.87 : 141,352,411,763.25 = 56,077,725,213.63 : x
  2. Step 2: Convert to fraction form
    102,428,071,230.87/141,352,411,763.25 = 56,077,725,213.63/x
  3. Step 3: Cross multiply
    102,428,071,230.87x = 141,352,411,763.25 × 56,077,725,213.63
  4. Step 4: Simplify right side
    102,428,071,230.87x = 7,926,721,705,143,414,292,480
  5. Step 5: Solve for x
    x = 7,926,721,705,143,414,292,480/102,428,071,230.87
  6. Step 6: Final answer
    x = 77,388,176,989.85

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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.