Home / 139,968,124.90-209,952,187.35-101,448,931.30

Finding the Fourth Proportional to 139,968,124.90, 209,952,187.35 and 101,448,931.30

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Solution

The fourth proportional to 139,968,124.90, 209,952,187.35 and 101,448,931.30 is: 152,173,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,124.90 : 209,952,187.35 = 101,448,931.30 : x
  2. Step 2: Convert to fraction form
    139,968,124.90/209,952,187.35 = 101,448,931.30/x
  3. Step 3: Cross multiply
    139,968,124.90x = 209,952,187.35 × 101,448,931.30
  4. Step 4: Simplify right side
    139,968,124.90x = 21,299,425,030,754,876
  5. Step 5: Solve for x
    x = 21,299,425,030,754,876/139,968,124.90
  6. Step 6: Final answer
    x = 152,173,396.95

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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.