Home / 166,211,824.32-249,344,526.96-51,196,313.16

Finding the Fourth Proportional to 166,211,824.32, 249,344,526.96 and 51,196,313.16

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Solution

The fourth proportional to 166,211,824.32, 249,344,526.96 and 51,196,313.16 is: 76,802,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,211,824.32 : 249,344,526.96 = 51,196,313.16 : x
  2. Step 2: Convert to fraction form
    166,211,824.32/249,344,526.96 = 51,196,313.16/x
  3. Step 3: Cross multiply
    166,211,824.32x = 249,344,526.96 × 51,196,313.16
  4. Step 4: Simplify right side
    166,211,824.32x = 12,765,520,486,976,222
  5. Step 5: Solve for x
    x = 12,765,520,486,976,222/166,211,824.32
  6. Step 6: Final answer
    x = 76,802,721.70

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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.