Home / 139,582,860.03-209,277,332.01-61,817,387.67

Finding the Fourth Proportional to 139,582,860.03, 209,277,332.01 and 61,817,387.67

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Solution

The fourth proportional to 139,582,860.03, 209,277,332.01 and 61,817,387.67 is: 92,683,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,582,860.03 : 209,277,332.01 = 61,817,387.67 : x
  2. Step 2: Convert to fraction form
    139,582,860.03/209,277,332.01 = 61,817,387.67/x
  3. Step 3: Cross multiply
    139,582,860.03x = 209,277,332.01 × 61,817,387.67
  4. Step 4: Simplify right side
    139,582,860.03x = 12,936,977,963,405,470
  5. Step 5: Solve for x
    x = 12,936,977,963,405,470/139,582,860.03
  6. Step 6: Final answer
    x = 92,683,141.47

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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.