Home / 105,197,085.40-157,683,653.70-40,475,882.20

Finding the Fourth Proportional to 105,197,085.40, 157,683,653.70 and 40,475,882.20

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Solution

The fourth proportional to 105,197,085.40, 157,683,653.70 and 40,475,882.20 is: 60,670,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,197,085.40 : 157,683,653.70 = 40,475,882.20 : x
  2. Step 2: Convert to fraction form
    105,197,085.40/157,683,653.70 = 40,475,882.20/x
  3. Step 3: Cross multiply
    105,197,085.40x = 157,683,653.70 × 40,475,882.20
  4. Step 4: Simplify right side
    105,197,085.40x = 6,382,384,992,026,794
  5. Step 5: Solve for x
    x = 6,382,384,992,026,794/105,197,085.40
  6. Step 6: Final answer
    x = 60,670,739.76

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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.