Home / 52,002,665.40-78,013,329.30-21,713,590.20

Finding the Fourth Proportional to 52,002,665.40, 78,013,329.30 and 21,713,590.20

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Solution

The fourth proportional to 52,002,665.40, 78,013,329.30 and 21,713,590.20 is: 32,574,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,665.40 : 78,013,329.30 = 21,713,590.20 : x
  2. Step 2: Convert to fraction form
    52,002,665.40/78,013,329.30 = 21,713,590.20/x
  3. Step 3: Cross multiply
    52,002,665.40x = 78,013,329.30 × 21,713,590.20
  4. Step 4: Simplify right side
    52,002,665.40x = 1,693,949,462,557,852.75
  5. Step 5: Solve for x
    x = 1,693,949,462,557,852.75/52,002,665.40
  6. Step 6: Final answer
    x = 32,574,281.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.