Home / 185,450,760.81-255,909,247.92-102,938,050.17

Finding the Fourth Proportional to 185,450,760.81, 255,909,247.92 and 102,938,050.17

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Solution

The fourth proportional to 185,450,760.81, 255,909,247.92 and 102,938,050.17 is: 142,047,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,450,760.81 : 255,909,247.92 = 102,938,050.17 : x
  2. Step 2: Convert to fraction form
    185,450,760.81/255,909,247.92 = 102,938,050.17/x
  3. Step 3: Cross multiply
    185,450,760.81x = 255,909,247.92 × 102,938,050.17
  4. Step 4: Simplify right side
    185,450,760.81x = 26,342,799,001,355,928
  5. Step 5: Solve for x
    x = 26,342,799,001,355,928/185,450,760.81
  6. Step 6: Final answer
    x = 142,047,403.24

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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.