Home / 82,944,047.40-124,416,071.10-42,558,613.80

Finding the Fourth Proportional to 82,944,047.40, 124,416,071.10 and 42,558,613.80

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Solution

The fourth proportional to 82,944,047.40, 124,416,071.10 and 42,558,613.80 is: 63,837,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,047.40 : 124,416,071.10 = 42,558,613.80 : x
  2. Step 2: Convert to fraction form
    82,944,047.40/124,416,071.10 = 42,558,613.80/x
  3. Step 3: Cross multiply
    82,944,047.40x = 124,416,071.10 × 42,558,613.80
  4. Step 4: Simplify right side
    82,944,047.40x = 5,294,975,520,458,241
  5. Step 5: Solve for x
    x = 5,294,975,520,458,241/82,944,047.40
  6. Step 6: Final answer
    x = 63,837,920.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.