Home / 189,106,362.78-283,077,755.69-123,385,988.65

Finding the Fourth Proportional to 189,106,362.78, 283,077,755.69 and 123,385,988.65

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Solution

The fourth proportional to 189,106,362.78, 283,077,755.69 and 123,385,988.65 is: 184,699,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106,362.78 : 283,077,755.69 = 123,385,988.65 : x
  2. Step 2: Convert to fraction form
    189,106,362.78/283,077,755.69 = 123,385,988.65/x
  3. Step 3: Cross multiply
    189,106,362.78x = 283,077,755.69 × 123,385,988.65
  4. Step 4: Simplify right side
    189,106,362.78x = 34,927,828,750,656,356
  5. Step 5: Solve for x
    x = 34,927,828,750,656,356/189,106,362.78
  6. Step 6: Final answer
    x = 184,699,384.18

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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.