Home / 207,938,703.64-286,955,478.78-113,858,812.42

Finding the Fourth Proportional to 207,938,703.64, 286,955,478.78 and 113,858,812.42

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Solution

The fourth proportional to 207,938,703.64, 286,955,478.78 and 113,858,812.42 is: 157,125,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,938,703.64 : 286,955,478.78 = 113,858,812.42 : x
  2. Step 2: Convert to fraction form
    207,938,703.64/286,955,478.78 = 113,858,812.42/x
  3. Step 3: Cross multiply
    207,938,703.64x = 286,955,478.78 × 113,858,812.42
  4. Step 4: Simplify right side
    207,938,703.64x = 32,672,410,031,303,308
  5. Step 5: Solve for x
    x = 32,672,410,031,303,308/207,938,703.64
  6. Step 6: Final answer
    x = 157,125,198.24

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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.