Home / 72,624,030.80-109,062,017.40-38,611,806.80

Finding the Fourth Proportional to 72,624,030.80, 109,062,017.40 and 38,611,806.80

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Solution

The fourth proportional to 72,624,030.80, 109,062,017.40 and 38,611,806.80 is: 57,984,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624,030.80 : 109,062,017.40 = 38,611,806.80 : x
  2. Step 2: Convert to fraction form
    72,624,030.80/109,062,017.40 = 38,611,806.80/x
  3. Step 3: Cross multiply
    72,624,030.80x = 109,062,017.40 × 38,611,806.80
  4. Step 4: Simplify right side
    72,624,030.80x = 4,211,081,545,067,038
  5. Step 5: Solve for x
    x = 4,211,081,545,067,038/72,624,030.80
  6. Step 6: Final answer
    x = 57,984,684.94

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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.