Home / 123,890,853.28-185,835,946.80-46,165,987.84

Finding the Fourth Proportional to 123,890,853.28, 185,835,946.80 and 46,165,987.84

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Solution

The fourth proportional to 123,890,853.28, 185,835,946.80 and 46,165,987.84 is: 69,248,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,890,853.28 : 185,835,946.80 = 46,165,987.84 : x
  2. Step 2: Convert to fraction form
    123,890,853.28/185,835,946.80 = 46,165,987.84/x
  3. Step 3: Cross multiply
    123,890,853.28x = 185,835,946.80 × 46,165,987.84
  4. Step 4: Simplify right side
    123,890,853.28x = 8,579,300,060,203,688
  5. Step 5: Solve for x
    x = 8,579,300,060,203,688/123,890,853.28
  6. Step 6: Final answer
    x = 69,248,857.63

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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.