Home / 154,426,159.90-231,639,108.09-39,410,693.02

Finding the Fourth Proportional to 154,426,159.90, 231,639,108.09 and 39,410,693.02

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Solution

The fourth proportional to 154,426,159.90, 231,639,108.09 and 39,410,693.02 is: 59,116,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,159.90 : 231,639,108.09 = 39,410,693.02 : x
  2. Step 2: Convert to fraction form
    154,426,159.90/231,639,108.09 = 39,410,693.02/x
  3. Step 3: Cross multiply
    154,426,159.90x = 231,639,108.09 × 39,410,693.02
  4. Step 4: Simplify right side
    154,426,159.90x = 9,129,057,780,361,590
  5. Step 5: Solve for x
    x = 9,129,057,780,361,590/154,426,159.90
  6. Step 6: Final answer
    x = 59,116,005.90

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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.