Home / 145,098,347.15-200,234,341.41-79,019,948.25

Finding the Fourth Proportional to 145,098,347.15, 200,234,341.41 and 79,019,948.25

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Solution

The fourth proportional to 145,098,347.15, 200,234,341.41 and 79,019,948.25 is: 109,046,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,098,347.15 : 200,234,341.41 = 79,019,948.25 : x
  2. Step 2: Convert to fraction form
    145,098,347.15/200,234,341.41 = 79,019,948.25/x
  3. Step 3: Cross multiply
    145,098,347.15x = 200,234,341.41 × 79,019,948.25
  4. Step 4: Simplify right side
    145,098,347.15x = 15,822,507,295,794,708
  5. Step 5: Solve for x
    x = 15,822,507,295,794,708/145,098,347.15
  6. Step 6: Final answer
    x = 109,046,778.31

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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.