Home / 167,762,032.78-231,392,348.30-111,979,328.08

Finding the Fourth Proportional to 167,762,032.78, 231,392,348.30 and 111,979,328.08

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Solution

The fourth proportional to 167,762,032.78, 231,392,348.30 and 111,979,328.08 is: 154,451,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,762,032.78 : 231,392,348.30 = 111,979,328.08 : x
  2. Step 2: Convert to fraction form
    167,762,032.78/231,392,348.30 = 111,979,328.08/x
  3. Step 3: Cross multiply
    167,762,032.78x = 231,392,348.30 × 111,979,328.08
  4. Step 4: Simplify right side
    167,762,032.78x = 25,911,159,685,487,332
  5. Step 5: Solve for x
    x = 25,911,159,685,487,332/167,762,032.78
  6. Step 6: Final answer
    x = 154,451,870.05

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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.