Home / 145,297,545.76-200,702,011.47-107,696,934.54

Finding the Fourth Proportional to 145,297,545.76, 200,702,011.47 and 107,696,934.54

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Solution

The fourth proportional to 145,297,545.76, 200,702,011.47 and 107,696,934.54 is: 148,763,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,297,545.76 : 200,702,011.47 = 107,696,934.54 : x
  2. Step 2: Convert to fraction form
    145,297,545.76/200,702,011.47 = 107,696,934.54/x
  3. Step 3: Cross multiply
    145,297,545.76x = 200,702,011.47 × 107,696,934.54
  4. Step 4: Simplify right side
    145,297,545.76x = 21,614,991,391,330,920
  5. Step 5: Solve for x
    x = 21,614,991,391,330,920/145,297,545.76
  6. Step 6: Final answer
    x = 148,763,637.25

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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.