Home / 126,016,976-189,057,345.60-35,140,574.72

Finding the Fourth Proportional to 126,016,976, 189,057,345.60 and 35,140,574.72

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Solution

The fourth proportional to 126,016,976, 189,057,345.60 and 35,140,574.72 is: 52,719,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,976 : 189,057,345.60 = 35,140,574.72 : x
  2. Step 2: Convert to fraction form
    126,016,976/189,057,345.60 = 35,140,574.72/x
  3. Step 3: Cross multiply
    126,016,976x = 189,057,345.60 × 35,140,574.72
  4. Step 4: Simplify right side
    126,016,976x = 6,643,583,779,421,663
  5. Step 5: Solve for x
    x = 6,643,583,779,421,663/126,016,976
  6. Step 6: Final answer
    x = 52,719,752.45

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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.