Home / 159,326,980.05-219,878,018.34-88,762,550.25

Finding the Fourth Proportional to 159,326,980.05, 219,878,018.34 and 88,762,550.25

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Solution

The fourth proportional to 159,326,980.05, 219,878,018.34 and 88,762,550.25 is: 122,496,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,326,980.05 : 219,878,018.34 = 88,762,550.25 : x
  2. Step 2: Convert to fraction form
    159,326,980.05/219,878,018.34 = 88,762,550.25/x
  3. Step 3: Cross multiply
    159,326,980.05x = 219,878,018.34 × 88,762,550.25
  4. Step 4: Simplify right side
    159,326,980.05x = 19,516,933,651,774,672
  5. Step 5: Solve for x
    x = 19,516,933,651,774,672/159,326,980.05
  6. Step 6: Final answer
    x = 122,496,099.82

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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.