Home / 65,616,868.80-98,307,205.20-52,059,218.40

Finding the Fourth Proportional to 65,616,868.80, 98,307,205.20 and 52,059,218.40

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Solution

The fourth proportional to 65,616,868.80, 98,307,205.20 and 52,059,218.40 is: 77,995,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,868.80 : 98,307,205.20 = 52,059,218.40 : x
  2. Step 2: Convert to fraction form
    65,616,868.80/98,307,205.20 = 52,059,218.40/x
  3. Step 3: Cross multiply
    65,616,868.80x = 98,307,205.20 × 52,059,218.40
  4. Step 4: Simplify right side
    65,616,868.80x = 5,117,796,265,800,416
  5. Step 5: Solve for x
    x = 5,117,796,265,800,416/65,616,868.80
  6. Step 6: Final answer
    x = 77,995,130.82

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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.