Home / 152,838,434.86-230,278,532.65-138,284,010.61

Finding the Fourth Proportional to 152,838,434.86, 230,278,532.65 and 138,284,010.61

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Solution

The fourth proportional to 152,838,434.86, 230,278,532.65 and 138,284,010.61 is: 208,349,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,838,434.86 : 230,278,532.65 = 138,284,010.61 : x
  2. Step 2: Convert to fraction form
    152,838,434.86/230,278,532.65 = 138,284,010.61/x
  3. Step 3: Cross multiply
    152,838,434.86x = 230,278,532.65 × 138,284,010.61
  4. Step 4: Simplify right side
    152,838,434.86x = 31,843,839,051,306,424
  5. Step 5: Solve for x
    x = 31,843,839,051,306,424/152,838,434.86
  6. Step 6: Final answer
    x = 208,349,680.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.