Home / 147,987,908.07-204,012,779.30-100,884,534.62

Finding the Fourth Proportional to 147,987,908.07, 204,012,779.30 and 100,884,534.62

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Solution

The fourth proportional to 147,987,908.07, 204,012,779.30 and 100,884,534.62 is: 139,077,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,987,908.07 : 204,012,779.30 = 100,884,534.62 : x
  2. Step 2: Convert to fraction form
    147,987,908.07/204,012,779.30 = 100,884,534.62/x
  3. Step 3: Cross multiply
    147,987,908.07x = 204,012,779.30 × 100,884,534.62
  4. Step 4: Simplify right side
    147,987,908.07x = 20,581,734,296,069,272
  5. Step 5: Solve for x
    x = 20,581,734,296,069,272/147,987,908.07
  6. Step 6: Final answer
    x = 139,077,135.18

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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.