Home / 126,034,266.60-189,051,399.90-74,889,959.40

Finding the Fourth Proportional to 126,034,266.60, 189,051,399.90 and 74,889,959.40

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Solution

The fourth proportional to 126,034,266.60, 189,051,399.90 and 74,889,959.40 is: 112,334,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,034,266.60 : 189,051,399.90 = 74,889,959.40 : x
  2. Step 2: Convert to fraction form
    126,034,266.60/189,051,399.90 = 74,889,959.40/x
  3. Step 3: Cross multiply
    126,034,266.60x = 189,051,399.90 × 74,889,959.40
  4. Step 4: Simplify right side
    126,034,266.60x = 14,158,051,663,024,166
  5. Step 5: Solve for x
    x = 14,158,051,663,024,166/126,034,266.60
  6. Step 6: Final answer
    x = 112,334,939.10

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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.