Home / 275,426,751.88-380,060,020.74-156,311,412.16

Finding the Fourth Proportional to 275,426,751.88, 380,060,020.74 and 156,311,412.16

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Solution

The fourth proportional to 275,426,751.88, 380,060,020.74 and 156,311,412.16 is: 215,693,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,426,751.88 : 380,060,020.74 = 156,311,412.16 : x
  2. Step 2: Convert to fraction form
    275,426,751.88/380,060,020.74 = 156,311,412.16/x
  3. Step 3: Cross multiply
    275,426,751.88x = 380,060,020.74 × 156,311,412.16
  4. Step 4: Simplify right side
    275,426,751.88x = 59,407,718,547,428,288
  5. Step 5: Solve for x
    x = 59,407,718,547,428,288/275,426,751.88
  6. Step 6: Final answer
    x = 215,693,349.11

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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.