Home / 139,968,173.30-209,952,259.95-134,866,339.70

Finding the Fourth Proportional to 139,968,173.30, 209,952,259.95 and 134,866,339.70

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Solution

The fourth proportional to 139,968,173.30, 209,952,259.95 and 134,866,339.70 is: 202,299,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,173.30 : 209,952,259.95 = 134,866,339.70 : x
  2. Step 2: Convert to fraction form
    139,968,173.30/209,952,259.95 = 134,866,339.70/x
  3. Step 3: Cross multiply
    139,968,173.30x = 209,952,259.95 × 134,866,339.70
  4. Step 4: Simplify right side
    139,968,173.30x = 28,315,492,811,199,400
  5. Step 5: Solve for x
    x = 28,315,492,811,199,400/139,968,173.30
  6. Step 6: Final answer
    x = 202,299,509.55

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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.