Home / 139,968,019.60-209,952,029.40-134,299,315.60

Finding the Fourth Proportional to 139,968,019.60, 209,952,029.40 and 134,299,315.60

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Solution

The fourth proportional to 139,968,019.60, 209,952,029.40 and 134,299,315.60 is: 201,448,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,019.60 : 209,952,029.40 = 134,299,315.60 : x
  2. Step 2: Convert to fraction form
    139,968,019.60/209,952,029.40 = 134,299,315.60/x
  3. Step 3: Cross multiply
    139,968,019.60x = 209,952,029.40 × 134,299,315.60
  4. Step 4: Simplify right side
    139,968,019.60x = 28,196,413,857,251,080
  5. Step 5: Solve for x
    x = 28,196,413,857,251,080/139,968,019.60
  6. Step 6: Final answer
    x = 201,448,973.40

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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.