Home / 372,410,798.40-558,662,574.96-126,748,555.20

Finding the Fourth Proportional to 372,410,798.40, 558,662,574.96 and 126,748,555.20

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Solution

The fourth proportional to 372,410,798.40, 558,662,574.96 and 126,748,555.20 is: 190,138,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,410,798.40 : 558,662,574.96 = 126,748,555.20 : x
  2. Step 2: Convert to fraction form
    372,410,798.40/558,662,574.96 = 126,748,555.20/x
  3. Step 3: Cross multiply
    372,410,798.40x = 558,662,574.96 × 126,748,555.20
  4. Step 4: Simplify right side
    372,410,798.40x = 70,809,674,220,491,704
  5. Step 5: Solve for x
    x = 70,809,674,220,491,704/372,410,798.40
  6. Step 6: Final answer
    x = 190,138,617.15

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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.