Home / 105,457,754.66-158,128,965.72-83,737,657.17

Finding the Fourth Proportional to 105,457,754.66, 158,128,965.72 and 83,737,657.17

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Solution

The fourth proportional to 105,457,754.66, 158,128,965.72 and 83,737,657.17 is: 125,560,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,457,754.66 : 158,128,965.72 = 83,737,657.17 : x
  2. Step 2: Convert to fraction form
    105,457,754.66/158,128,965.72 = 83,737,657.17/x
  3. Step 3: Cross multiply
    105,457,754.66x = 158,128,965.72 × 83,737,657.17
  4. Step 4: Simplify right side
    105,457,754.66x = 13,241,349,120,108,042
  5. Step 5: Solve for x
    x = 13,241,349,120,108,042/105,457,754.66
  6. Step 6: Final answer
    x = 125,560,696.45

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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.