Home / 136,315,108.40-204,467,413.80-45,438,697.40

Finding the Fourth Proportional to 136,315,108.40, 204,467,413.80 and 45,438,697.40

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Solution

The fourth proportional to 136,315,108.40, 204,467,413.80 and 45,438,697.40 is: 68,156,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,315,108.40 : 204,467,413.80 = 45,438,697.40 : x
  2. Step 2: Convert to fraction form
    136,315,108.40/204,467,413.80 = 45,438,697.40/x
  3. Step 3: Cross multiply
    136,315,108.40x = 204,467,413.80 × 45,438,697.40
  4. Step 4: Simplify right side
    136,315,108.40x = 9,290,732,943,818,784
  5. Step 5: Solve for x
    x = 9,290,732,943,818,784/136,315,108.40
  6. Step 6: Final answer
    x = 68,156,296.49

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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.