Home / 139,667,047.65-209,500,573.91-42,623,252.91

Finding the Fourth Proportional to 139,667,047.65, 209,500,573.91 and 42,623,252.91

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Solution

The fourth proportional to 139,667,047.65, 209,500,573.91 and 42,623,252.91 is: 63,934,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,667,047.65 : 209,500,573.91 = 42,623,252.91 : x
  2. Step 2: Convert to fraction form
    139,667,047.65/209,500,573.91 = 42,623,252.91/x
  3. Step 3: Cross multiply
    139,667,047.65x = 209,500,573.91 × 42,623,252.91
  4. Step 4: Simplify right side
    139,667,047.65x = 8,929,595,946,342,961
  5. Step 5: Solve for x
    x = 8,929,595,946,342,961/139,667,047.65
  6. Step 6: Final answer
    x = 63,934,880.11

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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.