Home / 112,992,037.10-169,488,055.65-87,482,869.10

Finding the Fourth Proportional to 112,992,037.10, 169,488,055.65 and 87,482,869.10

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Solution

The fourth proportional to 112,992,037.10, 169,488,055.65 and 87,482,869.10 is: 131,224,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,992,037.10 : 169,488,055.65 = 87,482,869.10 : x
  2. Step 2: Convert to fraction form
    112,992,037.10/169,488,055.65 = 87,482,869.10/x
  3. Step 3: Cross multiply
    112,992,037.10x = 169,488,055.65 × 87,482,869.10
  4. Step 4: Simplify right side
    112,992,037.10x = 14,827,301,386,442,464
  5. Step 5: Solve for x
    x = 14,827,301,386,442,464/112,992,037.10
  6. Step 6: Final answer
    x = 131,224,303.65

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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.