Home / 113,287,061,609.02-156,335,349,719.24-61,845,621,441.44

Finding the Fourth Proportional to 113,287,061,609.02, 156,335,349,719.24 and 61,845,621,441.44

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Solution

The fourth proportional to 113,287,061,609.02, 156,335,349,719.24 and 61,845,621,441.44 is: 85,346,523,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,287,061,609.02 : 156,335,349,719.24 = 61,845,621,441.44 : x
  2. Step 2: Convert to fraction form
    113,287,061,609.02/156,335,349,719.24 = 61,845,621,441.44/x
  3. Step 3: Cross multiply
    113,287,061,609.02x = 156,335,349,719.24 × 61,845,621,441.44
  4. Step 4: Simplify right side
    113,287,061,609.02x = 9,668,656,856,651,249,221,632
  5. Step 5: Solve for x
    x = 9,668,656,856,651,249,221,632/113,287,061,609.02
  6. Step 6: Final answer
    x = 85,346,523,418.71

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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.