Home / 207,680,206.60-311,520,309.90-105,643,534.60

Finding the Fourth Proportional to 207,680,206.60, 311,520,309.90 and 105,643,534.60

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Solution

The fourth proportional to 207,680,206.60, 311,520,309.90 and 105,643,534.60 is: 158,465,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,680,206.60 : 311,520,309.90 = 105,643,534.60 : x
  2. Step 2: Convert to fraction form
    207,680,206.60/311,520,309.90 = 105,643,534.60/x
  3. Step 3: Cross multiply
    207,680,206.60x = 311,520,309.90 × 105,643,534.60
  4. Step 4: Simplify right side
    207,680,206.60x = 32,910,106,637,523,368
  5. Step 5: Solve for x
    x = 32,910,106,637,523,368/207,680,206.60
  6. Step 6: Final answer
    x = 158,465,301.90

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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.