Home / 65,187,433.40-97,794,272.10-19,129,213.40

Finding the Fourth Proportional to 65,187,433.40, 97,794,272.10 and 19,129,213.40

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Solution

The fourth proportional to 65,187,433.40, 97,794,272.10 and 19,129,213.40 is: 28,697,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187,433.40 : 97,794,272.10 = 19,129,213.40 : x
  2. Step 2: Convert to fraction form
    65,187,433.40/97,794,272.10 = 19,129,213.40/x
  3. Step 3: Cross multiply
    65,187,433.40x = 97,794,272.10 × 19,129,213.40
  4. Step 4: Simplify right side
    65,187,433.40x = 1,870,727,500,298,566
  5. Step 5: Solve for x
    x = 1,870,727,500,298,566/65,187,433.40
  6. Step 6: Final answer
    x = 28,697,670.74

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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.