Home / 206,747,199.60-285,313,048.65-113,931,028.86

Finding the Fourth Proportional to 206,747,199.60, 285,313,048.65 and 113,931,028.86

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Solution

The fourth proportional to 206,747,199.60, 285,313,048.65 and 113,931,028.86 is: 157,225,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747,199.60 : 285,313,048.65 = 113,931,028.86 : x
  2. Step 2: Convert to fraction form
    206,747,199.60/285,313,048.65 = 113,931,028.86/x
  3. Step 3: Cross multiply
    206,747,199.60x = 285,313,048.65 × 113,931,028.86
  4. Step 4: Simplify right side
    206,747,199.60x = 32,506,009,179,877,732
  5. Step 5: Solve for x
    x = 32,506,009,179,877,732/206,747,199.60
  6. Step 6: Final answer
    x = 157,225,874.12

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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.