Home / 103,165,801.20-154,748,701.80-99,197,708.40

Finding the Fourth Proportional to 103,165,801.20, 154,748,701.80 and 99,197,708.40

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Solution

The fourth proportional to 103,165,801.20, 154,748,701.80 and 99,197,708.40 is: 148,796,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165,801.20 : 154,748,701.80 = 99,197,708.40 : x
  2. Step 2: Convert to fraction form
    103,165,801.20/154,748,701.80 = 99,197,708.40/x
  3. Step 3: Cross multiply
    103,165,801.20x = 154,748,701.80 × 99,197,708.40
  4. Step 4: Simplify right side
    103,165,801.20x = 15,350,716,596,434,958
  5. Step 5: Solve for x
    x = 15,350,716,596,434,958/103,165,801.20
  6. Step 6: Final answer
    x = 148,796,562.60

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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.