Home / 154,426,726.19-231,639,903.38-39,411,280.82

Finding the Fourth Proportional to 154,426,726.19, 231,639,903.38 and 39,411,280.82

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Solution

The fourth proportional to 154,426,726.19, 231,639,903.38 and 39,411,280.82 is: 59,116,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,726.19 : 231,639,903.38 = 39,411,280.82 : x
  2. Step 2: Convert to fraction form
    154,426,726.19/231,639,903.38 = 39,411,280.82/x
  3. Step 3: Cross multiply
    154,426,726.19x = 231,639,903.38 × 39,411,280.82
  4. Step 4: Simplify right side
    154,426,726.19x = 9,129,225,279,871,590
  5. Step 5: Solve for x
    x = 9,129,225,279,871,590/154,426,726.19
  6. Step 6: Final answer
    x = 59,116,873.78

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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.