Home / 99,849,743.70-149,774,615.55-31,697,769.30

Finding the Fourth Proportional to 99,849,743.70, 149,774,615.55 and 31,697,769.30

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Solution

The fourth proportional to 99,849,743.70, 149,774,615.55 and 31,697,769.30 is: 47,546,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,849,743.70 : 149,774,615.55 = 31,697,769.30 : x
  2. Step 2: Convert to fraction form
    99,849,743.70/149,774,615.55 = 31,697,769.30/x
  3. Step 3: Cross multiply
    99,849,743.70x = 149,774,615.55 × 31,697,769.30
  4. Step 4: Simplify right side
    99,849,743.70x = 4,747,521,210,700,093
  5. Step 5: Solve for x
    x = 4,747,521,210,700,093/99,849,743.70
  6. Step 6: Final answer
    x = 47,546,653.95

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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.