Home / 84,818,412.80-127,227,619.20-30,292,566.20

Finding the Fourth Proportional to 84,818,412.80, 127,227,619.20 and 30,292,566.20

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Solution

The fourth proportional to 84,818,412.80, 127,227,619.20 and 30,292,566.20 is: 45,438,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818,412.80 : 127,227,619.20 = 30,292,566.20 : x
  2. Step 2: Convert to fraction form
    84,818,412.80/127,227,619.20 = 30,292,566.20/x
  3. Step 3: Cross multiply
    84,818,412.80x = 127,227,619.20 × 30,292,566.20
  4. Step 4: Simplify right side
    84,818,412.80x = 3,854,051,077,084,391
  5. Step 5: Solve for x
    x = 3,854,051,077,084,391/84,818,412.80
  6. Step 6: Final answer
    x = 45,438,849.30

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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.