Home / 124,687,535.60-172,074,113.16-69,683,390.48

Finding the Fourth Proportional to 124,687,535.60, 172,074,113.16 and 69,683,390.48

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Solution

The fourth proportional to 124,687,535.60, 172,074,113.16 and 69,683,390.48 is: 96,166,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,687,535.60 : 172,074,113.16 = 69,683,390.48 : x
  2. Step 2: Convert to fraction form
    124,687,535.60/172,074,113.16 = 69,683,390.48/x
  3. Step 3: Cross multiply
    124,687,535.60x = 172,074,113.16 × 69,683,390.48
  4. Step 4: Simplify right side
    124,687,535.60x = 11,990,707,618,827,988
  5. Step 5: Solve for x
    x = 11,990,707,618,827,988/124,687,535.60
  6. Step 6: Final answer
    x = 96,166,048.68

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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.