Home / 65,187,002.40-97,793,625.60-19,128,782.40

Finding the Fourth Proportional to 65,187,002.40, 97,793,625.60 and 19,128,782.40

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Solution

The fourth proportional to 65,187,002.40, 97,793,625.60 and 19,128,782.40 is: 28,697,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187,002.40 : 97,793,625.60 = 19,128,782.40 : x
  2. Step 2: Convert to fraction form
    65,187,002.40/97,793,625.60 = 19,128,782.40/x
  3. Step 3: Cross multiply
    65,187,002.40x = 97,793,625.60 × 19,128,782.40
  4. Step 4: Simplify right side
    65,187,002.40x = 1,870,672,984,209,469.25
  5. Step 5: Solve for x
    x = 1,870,672,984,209,469.25/65,187,002.40
  6. Step 6: Final answer
    x = 28,697,024.18

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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.