Home / 257,217,760.10-354,953,598.49-151,377,402.62

Finding the Fourth Proportional to 257,217,760.10, 354,953,598.49 and 151,377,402.62

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Solution

The fourth proportional to 257,217,760.10, 354,953,598.49 and 151,377,402.62 is: 208,896,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,217,760.10 : 354,953,598.49 = 151,377,402.62 : x
  2. Step 2: Convert to fraction form
    257,217,760.10/354,953,598.49 = 151,377,402.62/x
  3. Step 3: Cross multiply
    257,217,760.10x = 354,953,598.49 × 151,377,402.62
  4. Step 4: Simplify right side
    257,217,760.10x = 53,731,953,791,115,160
  5. Step 5: Solve for x
    x = 53,731,953,791,115,160/257,217,760.10
  6. Step 6: Final answer
    x = 208,896,748.69

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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.