Home / 162,015,989.17-223,582,629.59-87,676,531.08

Finding the Fourth Proportional to 162,015,989.17, 223,582,629.59 and 87,676,531.08

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Solution

The fourth proportional to 162,015,989.17, 223,582,629.59 and 87,676,531.08 is: 120,993,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,015,989.17 : 223,582,629.59 = 87,676,531.08 : x
  2. Step 2: Convert to fraction form
    162,015,989.17/223,582,629.59 = 87,676,531.08/x
  3. Step 3: Cross multiply
    162,015,989.17x = 223,582,629.59 × 87,676,531.08
  4. Step 4: Simplify right side
    162,015,989.17x = 19,602,949,372,414,952
  5. Step 5: Solve for x
    x = 19,602,949,372,414,952/162,015,989.17
  6. Step 6: Final answer
    x = 120,993,918.40

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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.