Home / 130,409,065.40-195,613,598.10-69,942,889.40

Finding the Fourth Proportional to 130,409,065.40, 195,613,598.10 and 69,942,889.40

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Solution

The fourth proportional to 130,409,065.40, 195,613,598.10 and 69,942,889.40 is: 104,914,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,065.40 : 195,613,598.10 = 69,942,889.40 : x
  2. Step 2: Convert to fraction form
    130,409,065.40/195,613,598.10 = 69,942,889.40/x
  3. Step 3: Cross multiply
    130,409,065.40x = 195,613,598.10 × 69,942,889.40
  4. Step 4: Simplify right side
    130,409,065.40x = 13,681,780,257,044,350
  5. Step 5: Solve for x
    x = 13,681,780,257,044,350/130,409,065.40
  6. Step 6: Final answer
    x = 104,914,334.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.