Home / 134,723,032.65-185,916,702.13-78,213,022.07

Finding the Fourth Proportional to 134,723,032.65, 185,916,702.13 and 78,213,022.07

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Solution

The fourth proportional to 134,723,032.65, 185,916,702.13 and 78,213,022.07 is: 107,933,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,723,032.65 : 185,916,702.13 = 78,213,022.07 : x
  2. Step 2: Convert to fraction form
    134,723,032.65/185,916,702.13 = 78,213,022.07/x
  3. Step 3: Cross multiply
    134,723,032.65x = 185,916,702.13 × 78,213,022.07
  4. Step 4: Simplify right side
    134,723,032.65x = 14,541,107,125,750,190
  5. Step 5: Solve for x
    x = 14,541,107,125,750,190/134,723,032.65
  6. Step 6: Final answer
    x = 107,933,341.76

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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.