Home / 257,804,678.64-386,703,228.90-63,716,110.56

Finding the Fourth Proportional to 257,804,678.64, 386,703,228.90 and 63,716,110.56

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Solution

The fourth proportional to 257,804,678.64, 386,703,228.90 and 63,716,110.56 is: 95,573,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,804,678.64 : 386,703,228.90 = 63,716,110.56 : x
  2. Step 2: Convert to fraction form
    257,804,678.64/386,703,228.90 = 63,716,110.56/x
  3. Step 3: Cross multiply
    257,804,678.64x = 386,703,228.90 × 63,716,110.56
  4. Step 4: Simplify right side
    257,804,678.64x = 24,639,225,686,501,388
  5. Step 5: Solve for x
    x = 24,639,225,686,501,388/257,804,678.64
  6. Step 6: Final answer
    x = 95,573,229.38

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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.