Home / 113,287,061,722.48-156,335,349,874.88-61,845,621,553.74

Finding the Fourth Proportional to 113,287,061,722.48, 156,335,349,874.88 and 61,845,621,553.74

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Solution

The fourth proportional to 113,287,061,722.48, 156,335,349,874.88 and 61,845,621,553.74 is: 85,346,523,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,287,061,722.48 : 156,335,349,874.88 = 61,845,621,553.74 : x
  2. Step 2: Convert to fraction form
    113,287,061,722.48/156,335,349,874.88 = 61,845,621,553.74/x
  3. Step 3: Cross multiply
    113,287,061,722.48x = 156,335,349,874.88 × 61,845,621,553.74
  4. Step 4: Simplify right side
    113,287,061,722.48x = 9,668,656,883,833,363,234,816
  5. Step 5: Solve for x
    x = 9,668,656,883,833,363,234,816/113,287,061,722.48
  6. Step 6: Final answer
    x = 85,346,523,573.17

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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.