Home / 289,677,901.33-399,763,080.22-157,526,626.87

Finding the Fourth Proportional to 289,677,901.33, 399,763,080.22 and 157,526,626.87

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Solution

The fourth proportional to 289,677,901.33, 399,763,080.22 and 157,526,626.87 is: 217,390,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,677,901.33 : 399,763,080.22 = 157,526,626.87 : x
  2. Step 2: Convert to fraction form
    289,677,901.33/399,763,080.22 = 157,526,626.87/x
  3. Step 3: Cross multiply
    289,677,901.33x = 399,763,080.22 × 157,526,626.87
  4. Step 4: Simplify right side
    289,677,901.33x = 62,973,329,573,430,184
  5. Step 5: Solve for x
    x = 62,973,329,573,430,184/289,677,901.33
  6. Step 6: Final answer
    x = 217,390,865.11

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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.