Home / 139,974,401.80-209,961,602.70-49,065,185.80

Finding the Fourth Proportional to 139,974,401.80, 209,961,602.70 and 49,065,185.80

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Solution

The fourth proportional to 139,974,401.80, 209,961,602.70 and 49,065,185.80 is: 73,597,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,974,401.80 : 209,961,602.70 = 49,065,185.80 : x
  2. Step 2: Convert to fraction form
    139,974,401.80/209,961,602.70 = 49,065,185.80/x
  3. Step 3: Cross multiply
    139,974,401.80x = 209,961,602.70 × 49,065,185.80
  4. Step 4: Simplify right side
    139,974,401.80x = 10,301,805,047,341,280
  5. Step 5: Solve for x
    x = 10,301,805,047,341,280/139,974,401.80
  6. Step 6: Final answer
    x = 73,597,778.70

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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.