Home / 130,318,362.88-179,834,413.60-72,375,343.36

Finding the Fourth Proportional to 130,318,362.88, 179,834,413.60 and 72,375,343.36

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Solution

The fourth proportional to 130,318,362.88, 179,834,413.60 and 72,375,343.36 is: 99,875,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,318,362.88 : 179,834,413.60 = 72,375,343.36 : x
  2. Step 2: Convert to fraction form
    130,318,362.88/179,834,413.60 = 72,375,343.36/x
  3. Step 3: Cross multiply
    130,318,362.88x = 179,834,413.60 × 72,375,343.36
  4. Step 4: Simplify right side
    130,318,362.88x = 13,015,577,432,244,254
  5. Step 5: Solve for x
    x = 13,015,577,432,244,254/130,318,362.88
  6. Step 6: Final answer
    x = 99,875,237.42

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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.