Home / 130,421,152.80-195,655,348.80-65,561,731.20

Finding the Fourth Proportional to 130,421,152.80, 195,655,348.80 and 65,561,731.20

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Solution

The fourth proportional to 130,421,152.80, 195,655,348.80 and 65,561,731.20 is: 98,354,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,421,152.80 : 195,655,348.80 = 65,561,731.20 : x
  2. Step 2: Convert to fraction form
    130,421,152.80/195,655,348.80 = 65,561,731.20/x
  3. Step 3: Cross multiply
    130,421,152.80x = 195,655,348.80 × 65,561,731.20
  4. Step 4: Simplify right side
    130,421,152.80x = 12,827,503,385,867,844
  5. Step 5: Solve for x
    x = 12,827,503,385,867,844/130,421,152.80
  6. Step 6: Final answer
    x = 98,354,470.20

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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.