Home / 107,900,723.65-148,869,004.37-66,041,150.53

Finding the Fourth Proportional to 107,900,723.65, 148,869,004.37 and 66,041,150.53

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Solution

The fourth proportional to 107,900,723.65, 148,869,004.37 and 66,041,150.53 is: 91,115,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,900,723.65 : 148,869,004.37 = 66,041,150.53 : x
  2. Step 2: Convert to fraction form
    107,900,723.65/148,869,004.37 = 66,041,150.53/x
  3. Step 3: Cross multiply
    107,900,723.65x = 148,869,004.37 × 66,041,150.53
  4. Step 4: Simplify right side
    107,900,723.65x = 9,831,480,326,106,052
  5. Step 5: Solve for x
    x = 9,831,480,326,106,052/107,900,723.65
  6. Step 6: Final answer
    x = 91,115,981.38

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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.