Home / 170,381,972.70-255,572,959.05-105,884,718.30

Finding the Fourth Proportional to 170,381,972.70, 255,572,959.05 and 105,884,718.30

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Solution

The fourth proportional to 170,381,972.70, 255,572,959.05 and 105,884,718.30 is: 158,827,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,381,972.70 : 255,572,959.05 = 105,884,718.30 : x
  2. Step 2: Convert to fraction form
    170,381,972.70/255,572,959.05 = 105,884,718.30/x
  3. Step 3: Cross multiply
    170,381,972.70x = 255,572,959.05 × 105,884,718.30
  4. Step 4: Simplify right side
    170,381,972.70x = 27,061,270,774,106,688
  5. Step 5: Solve for x
    x = 27,061,270,774,106,688/170,381,972.70
  6. Step 6: Final answer
    x = 158,827,077.45

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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.