Home / 282,656,063.20-390,038,493.36-165,208,914.40

Finding the Fourth Proportional to 282,656,063.20, 390,038,493.36 and 165,208,914.40

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Solution

The fourth proportional to 282,656,063.20, 390,038,493.36 and 165,208,914.40 is: 227,972,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,656,063.20 : 390,038,493.36 = 165,208,914.40 : x
  2. Step 2: Convert to fraction form
    282,656,063.20/390,038,493.36 = 165,208,914.40/x
  3. Step 3: Cross multiply
    282,656,063.20x = 390,038,493.36 × 165,208,914.40
  4. Step 4: Simplify right side
    282,656,063.20x = 64,437,836,062,217,216
  5. Step 5: Solve for x
    x = 64,437,836,062,217,216/282,656,063.20
  6. Step 6: Final answer
    x = 227,972,594.44

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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.