Home / 215,381,316.13-297,222,153.65-131,743,293.01

Finding the Fourth Proportional to 215,381,316.13, 297,222,153.65 and 131,743,293.01

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Solution

The fourth proportional to 215,381,316.13, 297,222,153.65 and 131,743,293.01 is: 181,803,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,381,316.13 : 297,222,153.65 = 131,743,293.01 : x
  2. Step 2: Convert to fraction form
    215,381,316.13/297,222,153.65 = 131,743,293.01/x
  3. Step 3: Cross multiply
    215,381,316.13x = 297,222,153.65 × 131,743,293.01
  4. Step 4: Simplify right side
    215,381,316.13x = 39,157,025,276,716,472
  5. Step 5: Solve for x
    x = 39,157,025,276,716,472/215,381,316.13
  6. Step 6: Final answer
    x = 181,803,259.36

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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.