Home / 178,908,009.10-268,362,013.65-157,366,933.90

Finding the Fourth Proportional to 178,908,009.10, 268,362,013.65 and 157,366,933.90

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Solution

The fourth proportional to 178,908,009.10, 268,362,013.65 and 157,366,933.90 is: 236,050,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908,009.10 : 268,362,013.65 = 157,366,933.90 : x
  2. Step 2: Convert to fraction form
    178,908,009.10/268,362,013.65 = 157,366,933.90/x
  3. Step 3: Cross multiply
    178,908,009.10x = 268,362,013.65 × 157,366,933.90
  4. Step 4: Simplify right side
    178,908,009.10x = 42,231,307,263,330,448
  5. Step 5: Solve for x
    x = 42,231,307,263,330,448/178,908,009.10
  6. Step 6: Final answer
    x = 236,050,400.85

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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.