Home / 130,409,143.40-195,613,715.10-69,942,967.40

Finding the Fourth Proportional to 130,409,143.40, 195,613,715.10 and 69,942,967.40

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Solution

The fourth proportional to 130,409,143.40, 195,613,715.10 and 69,942,967.40 is: 104,914,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,143.40 : 195,613,715.10 = 69,942,967.40 : x
  2. Step 2: Convert to fraction form
    130,409,143.40/195,613,715.10 = 69,942,967.40/x
  3. Step 3: Cross multiply
    130,409,143.40x = 195,613,715.10 × 69,942,967.40
  4. Step 4: Simplify right side
    130,409,143.40x = 13,681,803,698,232,188
  5. Step 5: Solve for x
    x = 13,681,803,698,232,188/130,409,143.40
  6. Step 6: Final answer
    x = 104,914,451.10

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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.