Home / 154,426,723.85-231,639,899.85-39,411,278.48

Finding the Fourth Proportional to 154,426,723.85, 231,639,899.85 and 39,411,278.48

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Solution

The fourth proportional to 154,426,723.85, 231,639,899.85 and 39,411,278.48 is: 59,116,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,723.85 : 231,639,899.85 = 39,411,278.48 : x
  2. Step 2: Convert to fraction form
    154,426,723.85/231,639,899.85 = 39,411,278.48/x
  3. Step 3: Cross multiply
    154,426,723.85x = 231,639,899.85 × 39,411,278.48
  4. Step 4: Simplify right side
    154,426,723.85x = 9,129,224,600,646,760
  5. Step 5: Solve for x
    x = 9,129,224,600,646,760/154,426,723.85
  6. Step 6: Final answer
    x = 59,116,870.27

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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.