Home / 72,929,903.96-100,674,256.38-45,441,413.48

Finding the Fourth Proportional to 72,929,903.96, 100,674,256.38 and 45,441,413.48

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Solution

The fourth proportional to 72,929,903.96, 100,674,256.38 and 45,441,413.48 is: 62,728,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,903.96 : 100,674,256.38 = 45,441,413.48 : x
  2. Step 2: Convert to fraction form
    72,929,903.96/100,674,256.38 = 45,441,413.48/x
  3. Step 3: Cross multiply
    72,929,903.96x = 100,674,256.38 × 45,441,413.48
  4. Step 4: Simplify right side
    72,929,903.96x = 4,574,780,510,955,107
  5. Step 5: Solve for x
    x = 4,574,780,510,955,107/72,929,903.96
  6. Step 6: Final answer
    x = 62,728,459.28

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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.