Home / 45,490,646.40-68,235,969.60-18,210,008.40

Finding the Fourth Proportional to 45,490,646.40, 68,235,969.60 and 18,210,008.40

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Solution

The fourth proportional to 45,490,646.40, 68,235,969.60 and 18,210,008.40 is: 27,315,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490,646.40 : 68,235,969.60 = 18,210,008.40 : x
  2. Step 2: Convert to fraction form
    45,490,646.40/68,235,969.60 = 18,210,008.40/x
  3. Step 3: Cross multiply
    45,490,646.40x = 68,235,969.60 × 18,210,008.40
  4. Step 4: Simplify right side
    45,490,646.40x = 1,242,577,579,598,144.50
  5. Step 5: Solve for x
    x = 1,242,577,579,598,144.50/45,490,646.40
  6. Step 6: Final answer
    x = 27,315,012.60

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1.5x scale

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.