Home / 207,052,876.80-310,579,315.20-61,508,901.60

Finding the Fourth Proportional to 207,052,876.80, 310,579,315.20 and 61,508,901.60

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Solution

The fourth proportional to 207,052,876.80, 310,579,315.20 and 61,508,901.60 is: 92,263,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,052,876.80 : 310,579,315.20 = 61,508,901.60 : x
  2. Step 2: Convert to fraction form
    207,052,876.80/310,579,315.20 = 61,508,901.60/x
  3. Step 3: Cross multiply
    207,052,876.80x = 310,579,315.20 × 61,508,901.60
  4. Step 4: Simplify right side
    207,052,876.80x = 19,103,392,537,632,184
  5. Step 5: Solve for x
    x = 19,103,392,537,632,184/207,052,876.80
  6. Step 6: Final answer
    x = 92,263,352.40

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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.