Home / 370,574,667-555,865,991.64-111,792,129.24

Finding the Fourth Proportional to 370,574,667, 555,865,991.64 and 111,792,129.24

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Solution

The fourth proportional to 370,574,667, 555,865,991.64 and 111,792,129.24 is: 167,689,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,574,667 : 555,865,991.64 = 111,792,129.24 : x
  2. Step 2: Convert to fraction form
    370,574,667/555,865,991.64 = 111,792,129.24/x
  3. Step 3: Cross multiply
    370,574,667x = 555,865,991.64 × 111,792,129.24
  4. Step 4: Simplify right side
    370,574,667x = 62,141,442,777,539,632
  5. Step 5: Solve for x
    x = 62,141,442,777,539,632/370,574,667
  6. Step 6: Final answer
    x = 167,689,397.88

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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.