Home / 202,287,345.36-279,088,200.72-131,690,810.40

Finding the Fourth Proportional to 202,287,345.36, 279,088,200.72 and 131,690,810.40

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Solution

The fourth proportional to 202,287,345.36, 279,088,200.72 and 131,690,810.40 is: 181,688,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,287,345.36 : 279,088,200.72 = 131,690,810.40 : x
  2. Step 2: Convert to fraction form
    202,287,345.36/279,088,200.72 = 131,690,810.40/x
  3. Step 3: Cross multiply
    202,287,345.36x = 279,088,200.72 × 131,690,810.40
  4. Step 4: Simplify right side
    202,287,345.36x = 36,753,351,325,894,672
  5. Step 5: Solve for x
    x = 36,753,351,325,894,672/202,287,345.36
  6. Step 6: Final answer
    x = 181,688,831.11

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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.