Home / 112,992,081.60-169,488,122.40-87,482,913.60

Finding the Fourth Proportional to 112,992,081.60, 169,488,122.40 and 87,482,913.60

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Solution

The fourth proportional to 112,992,081.60, 169,488,122.40 and 87,482,913.60 is: 131,224,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,992,081.60 : 169,488,122.40 = 87,482,913.60 : x
  2. Step 2: Convert to fraction form
    112,992,081.60/169,488,122.40 = 87,482,913.60/x
  3. Step 3: Cross multiply
    112,992,081.60x = 169,488,122.40 × 87,482,913.60
  4. Step 4: Simplify right side
    112,992,081.60x = 14,827,314,768,145,424
  5. Step 5: Solve for x
    x = 14,827,314,768,145,424/112,992,081.60
  6. Step 6: Final answer
    x = 131,224,370.40

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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.