Home / 159,141,530.30-219,534,952.72-93,018,829.18

Finding the Fourth Proportional to 159,141,530.30, 219,534,952.72 and 93,018,829.18

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Solution

The fourth proportional to 159,141,530.30, 219,534,952.72 and 93,018,829.18 is: 128,319,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,141,530.30 : 219,534,952.72 = 93,018,829.18 : x
  2. Step 2: Convert to fraction form
    159,141,530.30/219,534,952.72 = 93,018,829.18/x
  3. Step 3: Cross multiply
    159,141,530.30x = 219,534,952.72 × 93,018,829.18
  4. Step 4: Simplify right side
    159,141,530.30x = 20,420,884,266,101,056
  5. Step 5: Solve for x
    x = 20,420,884,266,101,056/159,141,530.30
  6. Step 6: Final answer
    x = 128,319,014.07

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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.