Home / 65,192,578.40-89,875,861.16-52,006,516.91

Finding the Fourth Proportional to 65,192,578.40, 89,875,861.16 and 52,006,516.91

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Solution

The fourth proportional to 65,192,578.40, 89,875,861.16 and 52,006,516.91 is: 71,697,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,578.40 : 89,875,861.16 = 52,006,516.91 : x
  2. Step 2: Convert to fraction form
    65,192,578.40/89,875,861.16 = 52,006,516.91/x
  3. Step 3: Cross multiply
    65,192,578.40x = 89,875,861.16 × 52,006,516.91
  4. Step 4: Simplify right side
    65,192,578.40x = 4,674,130,493,497,821
  5. Step 5: Solve for x
    x = 4,674,130,493,497,821/65,192,578.40
  6. Step 6: Final answer
    x = 71,697,279.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.