Home / 139,968,256.80-209,952,385.20-132,032,071.20

Finding the Fourth Proportional to 139,968,256.80, 209,952,385.20 and 132,032,071.20

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Solution

The fourth proportional to 139,968,256.80, 209,952,385.20 and 132,032,071.20 is: 198,048,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,256.80 : 209,952,385.20 = 132,032,071.20 : x
  2. Step 2: Convert to fraction form
    139,968,256.80/209,952,385.20 = 132,032,071.20/x
  3. Step 3: Cross multiply
    139,968,256.80x = 209,952,385.20 × 132,032,071.20
  4. Step 4: Simplify right side
    139,968,256.80x = 27,720,448,271,336,224
  5. Step 5: Solve for x
    x = 27,720,448,271,336,224/139,968,256.80
  6. Step 6: Final answer
    x = 198,048,106.80

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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.