Home / 207,749,528,653.28-311,825,804,657.52-100,259,445,159.68

Finding the Fourth Proportional to 207,749,528,653.28, 311,825,804,657.52 and 100,259,445,159.68

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Solution

The fourth proportional to 207,749,528,653.28, 311,825,804,657.52 and 100,259,445,159.68 is: 150,486,416,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,749,528,653.28 : 311,825,804,657.52 = 100,259,445,159.68 : x
  2. Step 2: Convert to fraction form
    207,749,528,653.28/311,825,804,657.52 = 100,259,445,159.68/x
  3. Step 3: Cross multiply
    207,749,528,653.28x = 311,825,804,657.52 × 100,259,445,159.68
  4. Step 4: Simplify right side
    207,749,528,653.28x = 31,263,482,161,433,713,573,888
  5. Step 5: Solve for x
    x = 31,263,482,161,433,713,573,888/207,749,528,653.28
  6. Step 6: Final answer
    x = 150,486,416,812.10

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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.