Home / 141,963,020.70-213,039,009.45-80,552,060.70

Finding the Fourth Proportional to 141,963,020.70, 213,039,009.45 and 80,552,060.70

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Solution

The fourth proportional to 141,963,020.70, 213,039,009.45 and 80,552,060.70 is: 120,881,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963,020.70 : 213,039,009.45 = 80,552,060.70 : x
  2. Step 2: Convert to fraction form
    141,963,020.70/213,039,009.45 = 80,552,060.70/x
  3. Step 3: Cross multiply
    141,963,020.70x = 213,039,009.45 × 80,552,060.70
  4. Step 4: Simplify right side
    141,963,020.70x = 17,160,731,220,684,274
  5. Step 5: Solve for x
    x = 17,160,731,220,684,274/141,963,020.70
  6. Step 6: Final answer
    x = 120,881,699.59

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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.