Home / 112,537,314.78-168,782,352.28-31,739,387.10

Finding the Fourth Proportional to 112,537,314.78, 168,782,352.28 and 31,739,387.10

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Solution

The fourth proportional to 112,537,314.78, 168,782,352.28 and 31,739,387.10 is: 47,602,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537,314.78 : 168,782,352.28 = 31,739,387.10 : x
  2. Step 2: Convert to fraction form
    112,537,314.78/168,782,352.28 = 31,739,387.10/x
  3. Step 3: Cross multiply
    112,537,314.78x = 168,782,352.28 × 31,739,387.10
  4. Step 4: Simplify right side
    112,537,314.78x = 5,357,048,414,663,488
  5. Step 5: Solve for x
    x = 5,357,048,414,663,488/112,537,314.78
  6. Step 6: Final answer
    x = 47,602,419.03

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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.