Home / 48,830,438.65-67,386,101.02-28,988,183.38

Finding the Fourth Proportional to 48,830,438.65, 67,386,101.02 and 28,988,183.38

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Solution

The fourth proportional to 48,830,438.65, 67,386,101.02 and 28,988,183.38 is: 40,003,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830,438.65 : 67,386,101.02 = 28,988,183.38 : x
  2. Step 2: Convert to fraction form
    48,830,438.65/67,386,101.02 = 28,988,183.38/x
  3. Step 3: Cross multiply
    48,830,438.65x = 67,386,101.02 × 28,988,183.38
  4. Step 4: Simplify right side
    48,830,438.65x = 1,953,400,653,475,649.75
  5. Step 5: Solve for x
    x = 1,953,400,653,475,649.75/48,830,438.65
  6. Step 6: Final answer
    x = 40,003,749.87

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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.