Home / 107,896,034.13-148,908,066.01-66,107,831.85

Finding the Fourth Proportional to 107,896,034.13, 148,908,066.01 and 66,107,831.85

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Solution

The fourth proportional to 107,896,034.13, 148,908,066.01 and 66,107,831.85 is: 91,235,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,034.13 : 148,908,066.01 = 66,107,831.85 : x
  2. Step 2: Convert to fraction form
    107,896,034.13/148,908,066.01 = 66,107,831.85/x
  3. Step 3: Cross multiply
    107,896,034.13x = 148,908,066.01 × 66,107,831.85
  4. Step 4: Simplify right side
    107,896,034.13x = 9,843,989,388,897,780
  5. Step 5: Solve for x
    x = 9,843,989,388,897,780/107,896,034.13
  6. Step 6: Final answer
    x = 91,235,877.84

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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.