Home / 282,346,869.56-389,650,394.16-156,898,597.05

Finding the Fourth Proportional to 282,346,869.56, 389,650,394.16 and 156,898,597.05

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Solution

The fourth proportional to 282,346,869.56, 389,650,394.16 and 156,898,597.05 is: 216,526,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,346,869.56 : 389,650,394.16 = 156,898,597.05 : x
  2. Step 2: Convert to fraction form
    282,346,869.56/389,650,394.16 = 156,898,597.05/x
  3. Step 3: Cross multiply
    282,346,869.56x = 389,650,394.16 × 156,898,597.05
  4. Step 4: Simplify right side
    282,346,869.56x = 61,135,600,183,683,520
  5. Step 5: Solve for x
    x = 61,135,600,183,683,520/282,346,869.56
  6. Step 6: Final answer
    x = 216,526,573.43

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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.