Home / 295,178,054.40-442,956,038.40-172,356,134.40

Finding the Fourth Proportional to 295,178,054.40, 442,956,038.40 and 172,356,134.40

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Solution

The fourth proportional to 295,178,054.40, 442,956,038.40 and 172,356,134.40 is: 258,644,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,178,054.40 : 442,956,038.40 = 172,356,134.40 : x
  2. Step 2: Convert to fraction form
    295,178,054.40/442,956,038.40 = 172,356,134.40/x
  3. Step 3: Cross multiply
    295,178,054.40x = 442,956,038.40 × 172,356,134.40
  4. Step 4: Simplify right side
    295,178,054.40x = 76,346,190,487,761,952
  5. Step 5: Solve for x
    x = 76,346,190,487,761,952/295,178,054.40
  6. Step 6: Final answer
    x = 258,644,534.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.