Home / 85,156,495.17-117,516,010.61-45,998,272.29

Finding the Fourth Proportional to 85,156,495.17, 117,516,010.61 and 45,998,272.29

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Solution

The fourth proportional to 85,156,495.17, 117,516,010.61 and 45,998,272.29 is: 63,477,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,495.17 : 117,516,010.61 = 45,998,272.29 : x
  2. Step 2: Convert to fraction form
    85,156,495.17/117,516,010.61 = 45,998,272.29/x
  3. Step 3: Cross multiply
    85,156,495.17x = 117,516,010.61 × 45,998,272.29
  4. Step 4: Simplify right side
    85,156,495.17x = 5,405,533,455,028,990
  5. Step 5: Solve for x
    x = 5,405,533,455,028,990/85,156,495.17
  6. Step 6: Final answer
    x = 63,477,641.31

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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.