Home / 282,807,793.80-390,216,265.16-165,310,395.93

Finding the Fourth Proportional to 282,807,793.80, 390,216,265.16 and 165,310,395.93

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Solution

The fourth proportional to 282,807,793.80, 390,216,265.16 and 165,310,395.93 is: 228,094,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,807,793.80 : 390,216,265.16 = 165,310,395.93 : x
  2. Step 2: Convert to fraction form
    282,807,793.80/390,216,265.16 = 165,310,395.93/x
  3. Step 3: Cross multiply
    282,807,793.80x = 390,216,265.16 × 165,310,395.93
  4. Step 4: Simplify right side
    282,807,793.80x = 64,506,805,291,098,912
  5. Step 5: Solve for x
    x = 64,506,805,291,098,912/282,807,793.80
  6. Step 6: Final answer
    x = 228,094,156.90

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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.