Home / 124,991,628.81-187,486,907.74-31,619,484.15

Finding the Fourth Proportional to 124,991,628.81, 187,486,907.74 and 31,619,484.15

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Solution

The fourth proportional to 124,991,628.81, 187,486,907.74 and 31,619,484.15 is: 47,429,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,991,628.81 : 187,486,907.74 = 31,619,484.15 : x
  2. Step 2: Convert to fraction form
    124,991,628.81/187,486,907.74 = 31,619,484.15/x
  3. Step 3: Cross multiply
    124,991,628.81x = 187,486,907.74 × 31,619,484.15
  4. Step 4: Simplify right side
    124,991,628.81x = 5,928,239,307,617,442
  5. Step 5: Solve for x
    x = 5,928,239,307,617,442/124,991,628.81
  6. Step 6: Final answer
    x = 47,429,090.76

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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.