Home / 115,149,568.74-158,888,648.04-65,583,623.59

Finding the Fourth Proportional to 115,149,568.74, 158,888,648.04 and 65,583,623.59

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Solution

The fourth proportional to 115,149,568.74, 158,888,648.04 and 65,583,623.59 is: 90,495,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149,568.74 : 158,888,648.04 = 65,583,623.59 : x
  2. Step 2: Convert to fraction form
    115,149,568.74/158,888,648.04 = 65,583,623.59/x
  3. Step 3: Cross multiply
    115,149,568.74x = 158,888,648.04 × 65,583,623.59
  4. Step 4: Simplify right side
    115,149,568.74x = 10,420,493,285,779,352
  5. Step 5: Solve for x
    x = 10,420,493,285,779,352/115,149,568.74
  6. Step 6: Final answer
    x = 90,495,287.13

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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.