Home / 207,673,176.16-311,265,131.28-84,774,740.32

Finding the Fourth Proportional to 207,673,176.16, 311,265,131.28 and 84,774,740.32

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Solution

The fourth proportional to 207,673,176.16, 311,265,131.28 and 84,774,740.32 is: 127,062,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,673,176.16 : 311,265,131.28 = 84,774,740.32 : x
  2. Step 2: Convert to fraction form
    207,673,176.16/311,265,131.28 = 84,774,740.32/x
  3. Step 3: Cross multiply
    207,673,176.16x = 311,265,131.28 × 84,774,740.32
  4. Step 4: Simplify right side
    207,673,176.16x = 26,387,420,674,932,704
  5. Step 5: Solve for x
    x = 26,387,420,674,932,704/207,673,176.16
  6. Step 6: Final answer
    x = 127,062,248.30

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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.