Home / 97,175,998.80-145,819,985.40-36,635,173.20

Finding the Fourth Proportional to 97,175,998.80, 145,819,985.40 and 36,635,173.20

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Solution

The fourth proportional to 97,175,998.80, 145,819,985.40 and 36,635,173.20 is: 54,973,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,175,998.80 : 145,819,985.40 = 36,635,173.20 : x
  2. Step 2: Convert to fraction form
    97,175,998.80/145,819,985.40 = 36,635,173.20/x
  3. Step 3: Cross multiply
    97,175,998.80x = 145,819,985.40 × 36,635,173.20
  4. Step 4: Simplify right side
    97,175,998.80x = 5,342,140,421,150,472
  5. Step 5: Solve for x
    x = 5,342,140,421,150,472/97,175,998.80
  6. Step 6: Final answer
    x = 54,973,866.87

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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.