Home / 85,156,519.40-117,516,044.06-45,998,296.45

Finding the Fourth Proportional to 85,156,519.40, 117,516,044.06 and 45,998,296.45

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Solution

The fourth proportional to 85,156,519.40, 117,516,044.06 and 45,998,296.45 is: 63,477,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,519.40 : 117,516,044.06 = 45,998,296.45 : x
  2. Step 2: Convert to fraction form
    85,156,519.40/117,516,044.06 = 45,998,296.45/x
  3. Step 3: Cross multiply
    85,156,519.40x = 117,516,044.06 × 45,998,296.45
  4. Step 4: Simplify right side
    85,156,519.40x = 5,405,537,832,612,882
  5. Step 5: Solve for x
    x = 5,405,537,832,612,882/85,156,519.40
  6. Step 6: Final answer
    x = 63,477,674.64

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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.