Home / 103,412,011.24-142,708,540.70-57,003,040.18

Finding the Fourth Proportional to 103,412,011.24, 142,708,540.70 and 57,003,040.18

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Solution

The fourth proportional to 103,412,011.24, 142,708,540.70 and 57,003,040.18 is: 78,664,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412,011.24 : 142,708,540.70 = 57,003,040.18 : x
  2. Step 2: Convert to fraction form
    103,412,011.24/142,708,540.70 = 57,003,040.18/x
  3. Step 3: Cross multiply
    103,412,011.24x = 142,708,540.70 × 57,003,040.18
  4. Step 4: Simplify right side
    103,412,011.24x = 8,134,820,679,551,265
  5. Step 5: Solve for x
    x = 8,134,820,679,551,265/103,412,011.24
  6. Step 6: Final answer
    x = 78,664,176.26

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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.