Home / 115,149,567.74-158,888,646.66-65,583,622.59

Finding the Fourth Proportional to 115,149,567.74, 158,888,646.66 and 65,583,622.59

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Solution

The fourth proportional to 115,149,567.74, 158,888,646.66 and 65,583,622.59 is: 90,495,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149,567.74 : 158,888,646.66 = 65,583,622.59 : x
  2. Step 2: Convert to fraction form
    115,149,567.74/158,888,646.66 = 65,583,622.59/x
  3. Step 3: Cross multiply
    115,149,567.74x = 158,888,646.66 × 65,583,622.59
  4. Step 4: Simplify right side
    115,149,567.74x = 10,420,493,036,981,136
  5. Step 5: Solve for x
    x = 10,420,493,036,981,136/115,149,567.74
  6. Step 6: Final answer
    x = 90,495,285.76

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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.