Home / 71,269,437.64-98,351,902.74-38,674,389.64

Finding the Fourth Proportional to 71,269,437.64, 98,351,902.74 and 38,674,389.64

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Solution

The fourth proportional to 71,269,437.64, 98,351,902.74 and 38,674,389.64 is: 53,370,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,437.64 : 98,351,902.74 = 38,674,389.64 : x
  2. Step 2: Convert to fraction form
    71,269,437.64/98,351,902.74 = 38,674,389.64/x
  3. Step 3: Cross multiply
    71,269,437.64x = 98,351,902.74 × 38,674,389.64
  4. Step 4: Simplify right side
    71,269,437.64x = 3,803,699,808,402,143.50
  5. Step 5: Solve for x
    x = 3,803,699,808,402,143.50/71,269,437.64
  6. Step 6: Final answer
    x = 53,370,700.46

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.