Home / 282,363,935.87-389,671,693.40-156,921,418.06

Finding the Fourth Proportional to 282,363,935.87, 389,671,693.40 and 156,921,418.06

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Solution

The fourth proportional to 282,363,935.87, 389,671,693.40 and 156,921,418.06 is: 216,556,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,363,935.87 : 389,671,693.40 = 156,921,418.06 : x
  2. Step 2: Convert to fraction form
    282,363,935.87/389,671,693.40 = 156,921,418.06/x
  3. Step 3: Cross multiply
    282,363,935.87x = 389,671,693.40 × 156,921,418.06
  4. Step 4: Simplify right side
    282,363,935.87x = 61,147,834,704,702,632
  5. Step 5: Solve for x
    x = 61,147,834,704,702,632/282,363,935.87
  6. Step 6: Final answer
    x = 216,556,815.29

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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.