Home / 126,292,305.09-189,445,248.50-40,037,437.89

Finding the Fourth Proportional to 126,292,305.09, 189,445,248.50 and 40,037,437.89

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Solution

The fourth proportional to 126,292,305.09, 189,445,248.50 and 40,037,437.89 is: 60,058,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,292,305.09 : 189,445,248.50 = 40,037,437.89 : x
  2. Step 2: Convert to fraction form
    126,292,305.09/189,445,248.50 = 40,037,437.89/x
  3. Step 3: Cross multiply
    126,292,305.09x = 189,445,248.50 × 40,037,437.89
  4. Step 4: Simplify right side
    126,292,305.09x = 7,584,902,370,174,179
  5. Step 5: Solve for x
    x = 7,584,902,370,174,179/126,292,305.09
  6. Step 6: Final answer
    x = 60,058,309.69

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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.