Home / 111,143,983.16-153,378,545.76-61,587,566.55

Finding the Fourth Proportional to 111,143,983.16, 153,378,545.76 and 61,587,566.55

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Solution

The fourth proportional to 111,143,983.16, 153,378,545.76 and 61,587,566.55 is: 84,990,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143,983.16 : 153,378,545.76 = 61,587,566.55 : x
  2. Step 2: Convert to fraction form
    111,143,983.16/153,378,545.76 = 61,587,566.55/x
  3. Step 3: Cross multiply
    111,143,983.16x = 153,378,545.76 × 61,587,566.55
  4. Step 4: Simplify right side
    111,143,983.16x = 9,446,211,394,336,220
  5. Step 5: Solve for x
    x = 9,446,211,394,336,220/111,143,983.16
  6. Step 6: Final answer
    x = 84,990,758.16

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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.