Home / 102,097,207.20-153,145,810.80-98,129,114.40

Finding the Fourth Proportional to 102,097,207.20, 153,145,810.80 and 98,129,114.40

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Solution

The fourth proportional to 102,097,207.20, 153,145,810.80 and 98,129,114.40 is: 147,193,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,097,207.20 : 153,145,810.80 = 98,129,114.40 : x
  2. Step 2: Convert to fraction form
    102,097,207.20/153,145,810.80 = 98,129,114.40/x
  3. Step 3: Cross multiply
    102,097,207.20x = 153,145,810.80 × 98,129,114.40
  4. Step 4: Simplify right side
    102,097,207.20x = 15,028,062,787,873,958
  5. Step 5: Solve for x
    x = 15,028,062,787,873,958/102,097,207.20
  6. Step 6: Final answer
    x = 147,193,671.60

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1.5x scale

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.