Home / 123,965,572.56-170,683,085.04-105,341,430.48

Finding the Fourth Proportional to 123,965,572.56, 170,683,085.04 and 105,341,430.48

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Solution

The fourth proportional to 123,965,572.56, 170,683,085.04 and 105,341,430.48 is: 145,040,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,965,572.56 : 170,683,085.04 = 105,341,430.48 : x
  2. Step 2: Convert to fraction form
    123,965,572.56/170,683,085.04 = 105,341,430.48/x
  3. Step 3: Cross multiply
    123,965,572.56x = 170,683,085.04 × 105,341,430.48
  4. Step 4: Simplify right side
    123,965,572.56x = 17,980,000,336,853,088
  5. Step 5: Solve for x
    x = 17,980,000,336,853,088/123,965,572.56
  6. Step 6: Final answer
    x = 145,040,271.79

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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.