Home / 219,830,036.96-329,671,896.18-88,638,427.64

Finding the Fourth Proportional to 219,830,036.96, 329,671,896.18 and 88,638,427.64

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Solution

The fourth proportional to 219,830,036.96, 329,671,896.18 and 88,638,427.64 is: 132,928,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,830,036.96 : 329,671,896.18 = 88,638,427.64 : x
  2. Step 2: Convert to fraction form
    219,830,036.96/329,671,896.18 = 88,638,427.64/x
  3. Step 3: Cross multiply
    219,830,036.96x = 329,671,896.18 × 88,638,427.64
  4. Step 4: Simplify right side
    219,830,036.96x = 29,221,598,514,492,524
  5. Step 5: Solve for x
    x = 29,221,598,514,492,524/219,830,036.96
  6. Step 6: Final answer
    x = 132,928,142.66

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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.