Home / 48,620,428.80-72,941,702.40-28,415,270.40

Finding the Fourth Proportional to 48,620,428.80, 72,941,702.40 and 28,415,270.40

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Solution

The fourth proportional to 48,620,428.80, 72,941,702.40 and 28,415,270.40 is: 42,629,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620,428.80 : 72,941,702.40 = 28,415,270.40 : x
  2. Step 2: Convert to fraction form
    48,620,428.80/72,941,702.40 = 28,415,270.40/x
  3. Step 3: Cross multiply
    48,620,428.80x = 72,941,702.40 × 28,415,270.40
  4. Step 4: Simplify right side
    48,620,428.80x = 2,072,658,197,132,329
  5. Step 5: Solve for x
    x = 2,072,658,197,132,329/48,620,428.80
  6. Step 6: Final answer
    x = 42,629,368.94

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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.