Home / 42,085,320.30-63,127,980.45-40,825,608.30

Finding the Fourth Proportional to 42,085,320.30, 63,127,980.45 and 40,825,608.30

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Solution

The fourth proportional to 42,085,320.30, 63,127,980.45 and 40,825,608.30 is: 61,238,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085,320.30 : 63,127,980.45 = 40,825,608.30 : x
  2. Step 2: Convert to fraction form
    42,085,320.30/63,127,980.45 = 40,825,608.30/x
  3. Step 3: Cross multiply
    42,085,320.30x = 63,127,980.45 × 40,825,608.30
  4. Step 4: Simplify right side
    42,085,320.30x = 2,577,238,202,621,757.50
  5. Step 5: Solve for x
    x = 2,577,238,202,621,757.50/42,085,320.30
  6. Step 6: Final answer
    x = 61,238,412.45

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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.