Home / 42,528,007.20-63,792,010.80-36,556,039.20

Finding the Fourth Proportional to 42,528,007.20, 63,792,010.80 and 36,556,039.20

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Solution

The fourth proportional to 42,528,007.20, 63,792,010.80 and 36,556,039.20 is: 54,834,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528,007.20 : 63,792,010.80 = 36,556,039.20 : x
  2. Step 2: Convert to fraction form
    42,528,007.20/63,792,010.80 = 36,556,039.20/x
  3. Step 3: Cross multiply
    42,528,007.20x = 63,792,010.80 × 36,556,039.20
  4. Step 4: Simplify right side
    42,528,007.20x = 2,331,983,247,451,623.50
  5. Step 5: Solve for x
    x = 2,331,983,247,451,623.50/42,528,007.20
  6. Step 6: Final answer
    x = 54,834,058.80

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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.