Home / 139,968,256.20-209,952,384.30-49,101,030.60

Finding the Fourth Proportional to 139,968,256.20, 209,952,384.30 and 49,101,030.60

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Solution

The fourth proportional to 139,968,256.20, 209,952,384.30 and 49,101,030.60 is: 73,651,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,256.20 : 209,952,384.30 = 49,101,030.60 : x
  2. Step 2: Convert to fraction form
    139,968,256.20/209,952,384.30 = 49,101,030.60/x
  3. Step 3: Cross multiply
    139,968,256.20x = 209,952,384.30 × 49,101,030.60
  4. Step 4: Simplify right side
    139,968,256.20x = 10,308,878,446,057,260
  5. Step 5: Solve for x
    x = 10,308,878,446,057,260/139,968,256.20
  6. Step 6: Final answer
    x = 73,651,545.90

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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.