Home / 123,494,615.40-170,424,835.05-67,742,883.93

Finding the Fourth Proportional to 123,494,615.40, 170,424,835.05 and 67,742,883.93

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Solution

The fourth proportional to 123,494,615.40, 170,424,835.05 and 67,742,883.93 is: 93,486,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,494,615.40 : 170,424,835.05 = 67,742,883.93 : x
  2. Step 2: Convert to fraction form
    123,494,615.40/170,424,835.05 = 67,742,883.93/x
  3. Step 3: Cross multiply
    123,494,615.40x = 170,424,835.05 × 67,742,883.93
  4. Step 4: Simplify right side
    123,494,615.40x = 11,545,069,819,581,548
  5. Step 5: Solve for x
    x = 11,545,069,819,581,548/123,494,615.40
  6. Step 6: Final answer
    x = 93,486,422.73

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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.