Home / 130,283,411.20-195,425,116.80-66,449,708.80

Finding the Fourth Proportional to 130,283,411.20, 195,425,116.80 and 66,449,708.80

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Solution

The fourth proportional to 130,283,411.20, 195,425,116.80 and 66,449,708.80 is: 99,674,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283,411.20 : 195,425,116.80 = 66,449,708.80 : x
  2. Step 2: Convert to fraction form
    130,283,411.20/195,425,116.80 = 66,449,708.80/x
  3. Step 3: Cross multiply
    130,283,411.20x = 195,425,116.80 × 66,449,708.80
  4. Step 4: Simplify right side
    130,283,411.20x = 12,985,942,103,565,988
  5. Step 5: Solve for x
    x = 12,985,942,103,565,988/130,283,411.20
  6. Step 6: Final answer
    x = 99,674,563.20

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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.