Home / 74,013,990.60-111,084,758.86-51,310,831.08

Finding the Fourth Proportional to 74,013,990.60, 111,084,758.86 and 51,310,831.08

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Solution

The fourth proportional to 74,013,990.60, 111,084,758.86 and 51,310,831.08 is: 77,010,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013,990.60 : 111,084,758.86 = 51,310,831.08 : x
  2. Step 2: Convert to fraction form
    74,013,990.60/111,084,758.86 = 51,310,831.08/x
  3. Step 3: Cross multiply
    74,013,990.60x = 111,084,758.86 × 51,310,831.08
  4. Step 4: Simplify right side
    74,013,990.60x = 5,699,851,297,299,716
  5. Step 5: Solve for x
    x = 5,699,851,297,299,716/74,013,990.60
  6. Step 6: Final answer
    x = 77,010,457.77

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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.