Home / 137,926,357.34-190,183,739.79-112,730,277.68

Finding the Fourth Proportional to 137,926,357.34, 190,183,739.79 and 112,730,277.68

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Solution

The fourth proportional to 137,926,357.34, 190,183,739.79 and 112,730,277.68 is: 155,441,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,926,357.34 : 190,183,739.79 = 112,730,277.68 : x
  2. Step 2: Convert to fraction form
    137,926,357.34/190,183,739.79 = 112,730,277.68/x
  3. Step 3: Cross multiply
    137,926,357.34x = 190,183,739.79 × 112,730,277.68
  4. Step 4: Simplify right side
    137,926,357.34x = 21,439,465,797,223,024
  5. Step 5: Solve for x
    x = 21,439,465,797,223,024/137,926,357.34
  6. Step 6: Final answer
    x = 155,441,397.93

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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.