Home / 113,153,396,488.64-156,151,842,014.40-61,712,080,691.84

Finding the Fourth Proportional to 113,153,396,488.64, 156,151,842,014.40 and 61,712,080,691.84

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Solution

The fourth proportional to 113,153,396,488.64, 156,151,842,014.40 and 61,712,080,691.84 is: 85,162,755,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,153,396,488.64 : 156,151,842,014.40 = 61,712,080,691.84 : x
  2. Step 2: Convert to fraction form
    113,153,396,488.64/156,151,842,014.40 = 61,712,080,691.84/x
  3. Step 3: Cross multiply
    113,153,396,488.64x = 156,151,842,014.40 × 61,712,080,691.84
  4. Step 4: Simplify right side
    113,153,396,488.64x = 9,636,455,074,572,103,843,840
  5. Step 5: Solve for x
    x = 9,636,455,074,572,103,843,840/113,153,396,488.64
  6. Step 6: Final answer
    x = 85,162,755,812.99

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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.