Home / 112,992,006.60-169,488,009.90-87,482,838.60

Finding the Fourth Proportional to 112,992,006.60, 169,488,009.90 and 87,482,838.60

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Solution

The fourth proportional to 112,992,006.60, 169,488,009.90 and 87,482,838.60 is: 131,224,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,992,006.60 : 169,488,009.90 = 87,482,838.60 : x
  2. Step 2: Convert to fraction form
    112,992,006.60/169,488,009.90 = 87,482,838.60/x
  3. Step 3: Cross multiply
    112,992,006.60x = 169,488,009.90 × 87,482,838.60
  4. Step 4: Simplify right side
    112,992,006.60x = 14,827,292,214,716,902
  5. Step 5: Solve for x
    x = 14,827,292,214,716,902/112,992,006.60
  6. Step 6: Final answer
    x = 131,224,257.90

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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.