Home / 139,968,159.30-209,952,238.95-88,312,094.10

Finding the Fourth Proportional to 139,968,159.30, 209,952,238.95 and 88,312,094.10

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Solution

The fourth proportional to 139,968,159.30, 209,952,238.95 and 88,312,094.10 is: 132,468,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,159.30 : 209,952,238.95 = 88,312,094.10 : x
  2. Step 2: Convert to fraction form
    139,968,159.30/209,952,238.95 = 88,312,094.10/x
  3. Step 3: Cross multiply
    139,968,159.30x = 209,952,238.95 × 88,312,094.10
  4. Step 4: Simplify right side
    139,968,159.30x = 18,541,321,882,658,084
  5. Step 5: Solve for x
    x = 18,541,321,882,658,084/139,968,159.30
  6. Step 6: Final answer
    x = 132,468,141.15

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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.