Home / 130,213,605.74-179,694,972.75-70,674,923.20

Finding the Fourth Proportional to 130,213,605.74, 179,694,972.75 and 70,674,923.20

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Solution

The fourth proportional to 130,213,605.74, 179,694,972.75 and 70,674,923.20 is: 97,531,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,213,605.74 : 179,694,972.75 = 70,674,923.20 : x
  2. Step 2: Convert to fraction form
    130,213,605.74/179,694,972.75 = 70,674,923.20/x
  3. Step 3: Cross multiply
    130,213,605.74x = 179,694,972.75 × 70,674,923.20
  4. Step 4: Simplify right side
    130,213,605.74x = 12,699,928,398,532,344
  5. Step 5: Solve for x
    x = 12,699,928,398,532,344/130,213,605.74
  6. Step 6: Final answer
    x = 97,531,500.85

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1.5x scale

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.