Home / 45,490,643.40-68,235,965.10-18,210,005.40

Finding the Fourth Proportional to 45,490,643.40, 68,235,965.10 and 18,210,005.40

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Solution

The fourth proportional to 45,490,643.40, 68,235,965.10 and 18,210,005.40 is: 27,315,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490,643.40 : 68,235,965.10 = 18,210,005.40 : x
  2. Step 2: Convert to fraction form
    45,490,643.40/68,235,965.10 = 18,210,005.40/x
  3. Step 3: Cross multiply
    45,490,643.40x = 68,235,965.10 × 18,210,005.40
  4. Step 4: Simplify right side
    45,490,643.40x = 1,242,577,292,945,211.25
  5. Step 5: Solve for x
    x = 1,242,577,292,945,211.25/45,490,643.40
  6. Step 6: Final answer
    x = 27,315,008.10

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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.