Home / 124,162,973.70-186,264,143.55-42,289,566.90

Finding the Fourth Proportional to 124,162,973.70, 186,264,143.55 and 42,289,566.90

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Solution

The fourth proportional to 124,162,973.70, 186,264,143.55 and 42,289,566.90 is: 63,441,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,162,973.70 : 186,264,143.55 = 42,289,566.90 : x
  2. Step 2: Convert to fraction form
    124,162,973.70/186,264,143.55 = 42,289,566.90/x
  3. Step 3: Cross multiply
    124,162,973.70x = 186,264,143.55 × 42,289,566.90
  4. Step 4: Simplify right side
    124,162,973.70x = 7,877,029,959,728,929
  5. Step 5: Solve for x
    x = 7,877,029,959,728,929/124,162,973.70
  6. Step 6: Final answer
    x = 63,441,054.33

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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.