Home / 206,747,256.96-285,313,128-113,931,086.40

Finding the Fourth Proportional to 206,747,256.96, 285,313,128 and 113,931,086.40

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Solution

The fourth proportional to 206,747,256.96, 285,313,128 and 113,931,086.40 is: 157,225,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747,256.96 : 285,313,128 = 113,931,086.40 : x
  2. Step 2: Convert to fraction form
    206,747,256.96/285,313,128 = 113,931,086.40/x
  3. Step 3: Cross multiply
    206,747,256.96x = 285,313,128 × 113,931,086.40
  4. Step 4: Simplify right side
    206,747,256.96x = 32,506,034,637,222,260
  5. Step 5: Solve for x
    x = 32,506,034,637,222,260/206,747,256.96
  6. Step 6: Final answer
    x = 157,225,953.64

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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.