Home / 142,501,733.40-213,752,600.10-65,974,229.40

Finding the Fourth Proportional to 142,501,733.40, 213,752,600.10 and 65,974,229.40

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Solution

The fourth proportional to 142,501,733.40, 213,752,600.10 and 65,974,229.40 is: 98,961,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,501,733.40 : 213,752,600.10 = 65,974,229.40 : x
  2. Step 2: Convert to fraction form
    142,501,733.40/213,752,600.10 = 65,974,229.40/x
  3. Step 3: Cross multiply
    142,501,733.40x = 213,752,600.10 × 65,974,229.40
  4. Step 4: Simplify right side
    142,501,733.40x = 14,102,163,073,843,862
  5. Step 5: Solve for x
    x = 14,102,163,073,843,862/142,501,733.40
  6. Step 6: Final answer
    x = 98,961,344.10

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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.