Home / 154,650,000.40-231,975,000.60-103,689,206.80

Finding the Fourth Proportional to 154,650,000.40, 231,975,000.60 and 103,689,206.80

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Solution

The fourth proportional to 154,650,000.40, 231,975,000.60 and 103,689,206.80 is: 155,533,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,650,000.40 : 231,975,000.60 = 103,689,206.80 : x
  2. Step 2: Convert to fraction form
    154,650,000.40/231,975,000.60 = 103,689,206.80/x
  3. Step 3: Cross multiply
    154,650,000.40x = 231,975,000.60 × 103,689,206.80
  4. Step 4: Simplify right side
    154,650,000.40x = 24,053,303,809,643,524
  5. Step 5: Solve for x
    x = 24,053,303,809,643,524/154,650,000.40
  6. Step 6: Final answer
    x = 155,533,810.20

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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.