Home / 123,494,614.40-170,424,833.67-67,742,882.93

Finding the Fourth Proportional to 123,494,614.40, 170,424,833.67 and 67,742,882.93

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Solution

The fourth proportional to 123,494,614.40, 170,424,833.67 and 67,742,882.93 is: 93,486,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,494,614.40 : 170,424,833.67 = 67,742,882.93 : x
  2. Step 2: Convert to fraction form
    123,494,614.40/170,424,833.67 = 67,742,882.93/x
  3. Step 3: Cross multiply
    123,494,614.40x = 170,424,833.67 × 67,742,882.93
  4. Step 4: Simplify right side
    123,494,614.40x = 11,545,069,554,819,406
  5. Step 5: Solve for x
    x = 11,545,069,554,819,406/123,494,614.40
  6. Step 6: Final answer
    x = 93,486,421.34

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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.