Home / 129,779,387.07-179,084,205.50-76,846,598.65

Finding the Fourth Proportional to 129,779,387.07, 179,084,205.50 and 76,846,598.65

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Solution

The fourth proportional to 129,779,387.07, 179,084,205.50 and 76,846,598.65 is: 106,041,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,779,387.07 : 179,084,205.50 = 76,846,598.65 : x
  2. Step 2: Convert to fraction form
    129,779,387.07/179,084,205.50 = 76,846,598.65/x
  3. Step 3: Cross multiply
    129,779,387.07x = 179,084,205.50 × 76,846,598.65
  4. Step 4: Simplify right side
    129,779,387.07x = 13,762,012,064,452,246
  5. Step 5: Solve for x
    x = 13,762,012,064,452,246/129,779,387.07
  6. Step 6: Final answer
    x = 106,041,586.23

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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.