Home / 112,992,005.60-169,488,008.40-87,482,837.60

Finding the Fourth Proportional to 112,992,005.60, 169,488,008.40 and 87,482,837.60

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Solution

The fourth proportional to 112,992,005.60, 169,488,008.40 and 87,482,837.60 is: 131,224,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,992,005.60 : 169,488,008.40 = 87,482,837.60 : x
  2. Step 2: Convert to fraction form
    112,992,005.60/169,488,008.40 = 87,482,837.60/x
  3. Step 3: Cross multiply
    112,992,005.60x = 169,488,008.40 × 87,482,837.60
  4. Step 4: Simplify right side
    112,992,005.60x = 14,827,291,914,004,636
  5. Step 5: Solve for x
    x = 14,827,291,914,004,636/112,992,005.60
  6. Step 6: Final answer
    x = 131,224,256.40

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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.