Home / 137,133,734.40-189,235,236.56-75,258,058.77

Finding the Fourth Proportional to 137,133,734.40, 189,235,236.56 and 75,258,058.77

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Solution

The fourth proportional to 137,133,734.40, 189,235,236.56 and 75,258,058.77 is: 103,851,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,133,734.40 : 189,235,236.56 = 75,258,058.77 : x
  2. Step 2: Convert to fraction form
    137,133,734.40/189,235,236.56 = 75,258,058.77/x
  3. Step 3: Cross multiply
    137,133,734.40x = 189,235,236.56 × 75,258,058.77
  4. Step 4: Simplify right side
    137,133,734.40x = 14,241,476,554,011,042
  5. Step 5: Solve for x
    x = 14,241,476,554,011,042/137,133,734.40
  6. Step 6: Final answer
    x = 103,851,008.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.