Home / 288,628,338.25-433,014,694.59-84,156,413.50

Finding the Fourth Proportional to 288,628,338.25, 433,014,694.59 and 84,156,413.50

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Solution

The fourth proportional to 288,628,338.25, 433,014,694.59 and 84,156,413.50 is: 126,255,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,628,338.25 : 433,014,694.59 = 84,156,413.50 : x
  2. Step 2: Convert to fraction form
    288,628,338.25/433,014,694.59 = 84,156,413.50/x
  3. Step 3: Cross multiply
    288,628,338.25x = 433,014,694.59 × 84,156,413.50
  4. Step 4: Simplify right side
    288,628,338.25x = 36,440,963,689,492,248
  5. Step 5: Solve for x
    x = 36,440,963,689,492,248/288,628,338.25
  6. Step 6: Final answer
    x = 126,255,668.14

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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.