Home / 123,890,675.40-185,836,013.10-43,111,643.40

Finding the Fourth Proportional to 123,890,675.40, 185,836,013.10 and 43,111,643.40

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Solution

The fourth proportional to 123,890,675.40, 185,836,013.10 and 43,111,643.40 is: 64,667,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,890,675.40 : 185,836,013.10 = 43,111,643.40 : x
  2. Step 2: Convert to fraction form
    123,890,675.40/185,836,013.10 = 43,111,643.40/x
  3. Step 3: Cross multiply
    123,890,675.40x = 185,836,013.10 × 43,111,643.40
  4. Step 4: Simplify right side
    123,890,675.40x = 8,011,695,927,644,928
  5. Step 5: Solve for x
    x = 8,011,695,927,644,928/123,890,675.40
  6. Step 6: Final answer
    x = 64,667,465.10

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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.