Home / 139,968,128.90-209,952,193.35-101,448,935.30

Finding the Fourth Proportional to 139,968,128.90, 209,952,193.35 and 101,448,935.30

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Solution

The fourth proportional to 139,968,128.90, 209,952,193.35 and 101,448,935.30 is: 152,173,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,128.90 : 209,952,193.35 = 101,448,935.30 : x
  2. Step 2: Convert to fraction form
    139,968,128.90/209,952,193.35 = 101,448,935.30/x
  3. Step 3: Cross multiply
    139,968,128.90x = 209,952,193.35 × 101,448,935.30
  4. Step 4: Simplify right side
    139,968,128.90x = 21,299,426,479,257,240
  5. Step 5: Solve for x
    x = 21,299,426,479,257,240/139,968,128.90
  6. Step 6: Final answer
    x = 152,173,402.95

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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.