Home / 76,767,189.36-105,938,567.73-43,727,425.98

Finding the Fourth Proportional to 76,767,189.36, 105,938,567.73 and 43,727,425.98

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Solution

The fourth proportional to 76,767,189.36, 105,938,567.73 and 43,727,425.98 is: 60,343,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767,189.36 : 105,938,567.73 = 43,727,425.98 : x
  2. Step 2: Convert to fraction form
    76,767,189.36/105,938,567.73 = 43,727,425.98/x
  3. Step 3: Cross multiply
    76,767,189.36x = 105,938,567.73 × 43,727,425.98
  4. Step 4: Simplify right side
    76,767,189.36x = 4,632,420,878,840,791
  5. Step 5: Solve for x
    x = 4,632,420,878,840,791/76,767,189.36
  6. Step 6: Final answer
    x = 60,343,760.37

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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.