Home / 71,148,875.51-106,729,615.06-20,031,337.19

Finding the Fourth Proportional to 71,148,875.51, 106,729,615.06 and 20,031,337.19

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Solution

The fourth proportional to 71,148,875.51, 106,729,615.06 and 20,031,337.19 is: 30,048,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,148,875.51 : 106,729,615.06 = 20,031,337.19 : x
  2. Step 2: Convert to fraction form
    71,148,875.51/106,729,615.06 = 20,031,337.19/x
  3. Step 3: Cross multiply
    71,148,875.51x = 106,729,615.06 × 20,031,337.19
  4. Step 4: Simplify right side
    71,148,875.51x = 2,137,936,907,425,762.25
  5. Step 5: Solve for x
    x = 2,137,936,907,425,762.25/71,148,875.51
  6. Step 6: Final answer
    x = 30,048,780.00

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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.