Home / 120,528,007.20-180,792,010.80-63,037,900.80

Finding the Fourth Proportional to 120,528,007.20, 180,792,010.80 and 63,037,900.80

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Solution

The fourth proportional to 120,528,007.20, 180,792,010.80 and 63,037,900.80 is: 94,556,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,528,007.20 : 180,792,010.80 = 63,037,900.80 : x
  2. Step 2: Convert to fraction form
    120,528,007.20/180,792,010.80 = 63,037,900.80/x
  3. Step 3: Cross multiply
    120,528,007.20x = 180,792,010.80 × 63,037,900.80
  4. Step 4: Simplify right side
    120,528,007.20x = 11,396,748,842,242,928
  5. Step 5: Solve for x
    x = 11,396,748,842,242,928/120,528,007.20
  6. Step 6: Final answer
    x = 94,556,851.20

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1.5x scale

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.