Home / 215,427,360.69-323,186,438.30-69,849,570.33

Finding the Fourth Proportional to 215,427,360.69, 323,186,438.30 and 69,849,570.33

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Solution

The fourth proportional to 215,427,360.69, 323,186,438.30 and 69,849,570.33 is: 104,789,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,427,360.69 : 323,186,438.30 = 69,849,570.33 : x
  2. Step 2: Convert to fraction form
    215,427,360.69/323,186,438.30 = 69,849,570.33/x
  3. Step 3: Cross multiply
    215,427,360.69x = 323,186,438.30 × 69,849,570.33
  4. Step 4: Simplify right side
    215,427,360.69x = 22,574,433,851,388,808
  5. Step 5: Solve for x
    x = 22,574,433,851,388,808/215,427,360.69
  6. Step 6: Final answer
    x = 104,789,074.98

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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.