Home / 85,801,834.44-118,406,036.76-48,639,124.76

Finding the Fourth Proportional to 85,801,834.44, 118,406,036.76 and 48,639,124.76

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Solution

The fourth proportional to 85,801,834.44, 118,406,036.76 and 48,639,124.76 is: 67,121,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,801,834.44 : 118,406,036.76 = 48,639,124.76 : x
  2. Step 2: Convert to fraction form
    85,801,834.44/118,406,036.76 = 48,639,124.76/x
  3. Step 3: Cross multiply
    85,801,834.44x = 118,406,036.76 × 48,639,124.76
  4. Step 4: Simplify right side
    85,801,834.44x = 5,759,165,994,306,786
  5. Step 5: Solve for x
    x = 5,759,165,994,306,786/85,801,834.44
  6. Step 6: Final answer
    x = 67,121,711.70

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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.