Home / 117,488,128.38-162,137,992.80-70,452,859.65

Finding the Fourth Proportional to 117,488,128.38, 162,137,992.80 and 70,452,859.65

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Solution

The fourth proportional to 117,488,128.38, 162,137,992.80 and 70,452,859.65 is: 97,227,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488,128.38 : 162,137,992.80 = 70,452,859.65 : x
  2. Step 2: Convert to fraction form
    117,488,128.38/162,137,992.80 = 70,452,859.65/x
  3. Step 3: Cross multiply
    117,488,128.38x = 162,137,992.80 × 70,452,859.65
  4. Step 4: Simplify right side
    117,488,128.38x = 11,423,085,250,671,112
  5. Step 5: Solve for x
    x = 11,423,085,250,671,112/117,488,128.38
  6. Step 6: Final answer
    x = 97,227,570.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.