Home / 74,776,164.80-112,080,266.40-31,638,027.20

Finding the Fourth Proportional to 74,776,164.80, 112,080,266.40 and 31,638,027.20

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Solution

The fourth proportional to 74,776,164.80, 112,080,266.40 and 31,638,027.20 is: 47,421,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776,164.80 : 112,080,266.40 = 31,638,027.20 : x
  2. Step 2: Convert to fraction form
    74,776,164.80/112,080,266.40 = 31,638,027.20/x
  3. Step 3: Cross multiply
    74,776,164.80x = 112,080,266.40 × 31,638,027.20
  4. Step 4: Simplify right side
    74,776,164.80x = 3,545,998,516,946,446
  5. Step 5: Solve for x
    x = 3,545,998,516,946,446/74,776,164.80
  6. Step 6: Final answer
    x = 47,421,508.26

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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.