Home / 130,421,188.80-195,655,402.80-65,561,767.20

Finding the Fourth Proportional to 130,421,188.80, 195,655,402.80 and 65,561,767.20

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Solution

The fourth proportional to 130,421,188.80, 195,655,402.80 and 65,561,767.20 is: 98,354,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,421,188.80 : 195,655,402.80 = 65,561,767.20 : x
  2. Step 2: Convert to fraction form
    130,421,188.80/195,655,402.80 = 65,561,767.20/x
  3. Step 3: Cross multiply
    130,421,188.80x = 195,655,402.80 × 65,561,767.20
  4. Step 4: Simplify right side
    130,421,188.80x = 12,827,513,969,795,830
  5. Step 5: Solve for x
    x = 12,827,513,969,795,830/130,421,188.80
  6. Step 6: Final answer
    x = 98,354,524.20

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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.