Home / 68,894,187.60-103,341,281.40-61,879,166.40

Finding the Fourth Proportional to 68,894,187.60, 103,341,281.40 and 61,879,166.40

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Solution

The fourth proportional to 68,894,187.60, 103,341,281.40 and 61,879,166.40 is: 92,818,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,894,187.60 : 103,341,281.40 = 61,879,166.40 : x
  2. Step 2: Convert to fraction form
    68,894,187.60/103,341,281.40 = 61,879,166.40/x
  3. Step 3: Cross multiply
    68,894,187.60x = 103,341,281.40 × 61,879,166.40
  4. Step 4: Simplify right side
    68,894,187.60x = 6,394,672,347,739,825
  5. Step 5: Solve for x
    x = 6,394,672,347,739,825/68,894,187.60
  6. Step 6: Final answer
    x = 92,818,749.60

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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.