Home / 65,186,436.80-97,779,655.20-19,748,231.30

Finding the Fourth Proportional to 65,186,436.80, 97,779,655.20 and 19,748,231.30

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Solution

The fourth proportional to 65,186,436.80, 97,779,655.20 and 19,748,231.30 is: 29,622,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,186,436.80 : 97,779,655.20 = 19,748,231.30 : x
  2. Step 2: Convert to fraction form
    65,186,436.80/97,779,655.20 = 19,748,231.30/x
  3. Step 3: Cross multiply
    65,186,436.80x = 97,779,655.20 × 19,748,231.30
  4. Step 4: Simplify right side
    65,186,436.80x = 1,930,975,247,323,848
  5. Step 5: Solve for x
    x = 1,930,975,247,323,848/65,186,436.80
  6. Step 6: Final answer
    x = 29,622,346.95

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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.