Home / 137,439,437.51-189,488,401.08-89,017,966.27

Finding the Fourth Proportional to 137,439,437.51, 189,488,401.08 and 89,017,966.27

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Solution

The fourth proportional to 137,439,437.51, 189,488,401.08 and 89,017,966.27 is: 122,729,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,439,437.51 : 189,488,401.08 = 89,017,966.27 : x
  2. Step 2: Convert to fraction form
    137,439,437.51/189,488,401.08 = 89,017,966.27/x
  3. Step 3: Cross multiply
    137,439,437.51x = 189,488,401.08 × 89,017,966.27
  4. Step 4: Simplify right side
    137,439,437.51x = 16,867,872,095,282,048
  5. Step 5: Solve for x
    x = 16,867,872,095,282,048/137,439,437.51
  6. Step 6: Final answer
    x = 122,729,490.18

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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.