Home / 139,968,204.30-209,952,306.45-49,058,988.30

Finding the Fourth Proportional to 139,968,204.30, 209,952,306.45 and 49,058,988.30

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Solution

The fourth proportional to 139,968,204.30, 209,952,306.45 and 49,058,988.30 is: 73,588,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,204.30 : 209,952,306.45 = 49,058,988.30 : x
  2. Step 2: Convert to fraction form
    139,968,204.30/209,952,306.45 = 49,058,988.30/x
  3. Step 3: Cross multiply
    139,968,204.30x = 209,952,306.45 × 49,058,988.30
  4. Step 4: Simplify right side
    139,968,204.30x = 10,300,047,745,688,564
  5. Step 5: Solve for x
    x = 10,300,047,745,688,564/139,968,204.30
  6. Step 6: Final answer
    x = 73,588,482.45

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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.