Home / 89,905,106.39-124,069,047.05-48,651,998.77

Finding the Fourth Proportional to 89,905,106.39, 124,069,047.05 and 48,651,998.77

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Solution

The fourth proportional to 89,905,106.39, 124,069,047.05 and 48,651,998.77 is: 67,139,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905,106.39 : 124,069,047.05 = 48,651,998.77 : x
  2. Step 2: Convert to fraction form
    89,905,106.39/124,069,047.05 = 48,651,998.77/x
  3. Step 3: Cross multiply
    89,905,106.39x = 124,069,047.05 × 48,651,998.77
  4. Step 4: Simplify right side
    89,905,106.39x = 6,036,207,123,777,076
  5. Step 5: Solve for x
    x = 6,036,207,123,777,076/89,905,106.39
  6. Step 6: Final answer
    x = 67,139,758.42

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Double scale
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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.