Home / 157,465,445.02-217,302,449.46-87,850,836.64

Finding the Fourth Proportional to 157,465,445.02, 217,302,449.46 and 87,850,836.64

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Solution

The fourth proportional to 157,465,445.02, 217,302,449.46 and 87,850,836.64 is: 121,234,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,445.02 : 217,302,449.46 = 87,850,836.64 : x
  2. Step 2: Convert to fraction form
    157,465,445.02/217,302,449.46 = 87,850,836.64/x
  3. Step 3: Cross multiply
    157,465,445.02x = 217,302,449.46 × 87,850,836.64
  4. Step 4: Simplify right side
    157,465,445.02x = 19,090,201,988,982,316
  5. Step 5: Solve for x
    x = 19,090,201,988,982,316/157,465,445.02
  6. Step 6: Final answer
    x = 121,234,230.07

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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.