Home / 103,124,236.82-142,308,606.66-56,714,507.60

Finding the Fourth Proportional to 103,124,236.82, 142,308,606.66 and 56,714,507.60

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Solution

The fourth proportional to 103,124,236.82, 142,308,606.66 and 56,714,507.60 is: 78,264,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,124,236.82 : 142,308,606.66 = 56,714,507.60 : x
  2. Step 2: Convert to fraction form
    103,124,236.82/142,308,606.66 = 56,714,507.60/x
  3. Step 3: Cross multiply
    103,124,236.82x = 142,308,606.66 × 56,714,507.60
  4. Step 4: Simplify right side
    103,124,236.82x = 8,070,962,553,963,981
  5. Step 5: Solve for x
    x = 8,070,962,553,963,981/103,124,236.82
  6. Step 6: Final answer
    x = 78,264,458.51

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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.