Home / 257,541,176.81-386,314,100.51-73,308,580.53

Finding the Fourth Proportional to 257,541,176.81, 386,314,100.51 and 73,308,580.53

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Solution

The fourth proportional to 257,541,176.81, 386,314,100.51 and 73,308,580.53 is: 109,963,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,541,176.81 : 386,314,100.51 = 73,308,580.53 : x
  2. Step 2: Convert to fraction form
    257,541,176.81/386,314,100.51 = 73,308,580.53/x
  3. Step 3: Cross multiply
    257,541,176.81x = 386,314,100.51 × 73,308,580.53
  4. Step 4: Simplify right side
    257,541,176.81x = 28,320,138,346,745,308
  5. Step 5: Solve for x
    x = 28,320,138,346,745,308/257,541,176.81
  6. Step 6: Final answer
    x = 109,963,535.53

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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.