Home / 164,835,815.40-247,253,723.10-42,013,895.40

Finding the Fourth Proportional to 164,835,815.40, 247,253,723.10 and 42,013,895.40

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Solution

The fourth proportional to 164,835,815.40, 247,253,723.10 and 42,013,895.40 is: 63,020,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,835,815.40 : 247,253,723.10 = 42,013,895.40 : x
  2. Step 2: Convert to fraction form
    164,835,815.40/247,253,723.10 = 42,013,895.40/x
  3. Step 3: Cross multiply
    164,835,815.40x = 247,253,723.10 × 42,013,895.40
  4. Step 4: Simplify right side
    164,835,815.40x = 10,388,092,059,583,964
  5. Step 5: Solve for x
    x = 10,388,092,059,583,964/164,835,815.40
  6. Step 6: Final answer
    x = 63,020,843.10

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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.