Home / 45,887,555.80-68,831,333.70-20,301,405.40

Finding the Fourth Proportional to 45,887,555.80, 68,831,333.70 and 20,301,405.40

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Solution

The fourth proportional to 45,887,555.80, 68,831,333.70 and 20,301,405.40 is: 30,452,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887,555.80 : 68,831,333.70 = 20,301,405.40 : x
  2. Step 2: Convert to fraction form
    45,887,555.80/68,831,333.70 = 20,301,405.40/x
  3. Step 3: Cross multiply
    45,887,555.80x = 68,831,333.70 × 20,301,405.40
  4. Step 4: Simplify right side
    45,887,555.80x = 1,397,372,809,666,382
  5. Step 5: Solve for x
    x = 1,397,372,809,666,382/45,887,555.80
  6. Step 6: Final answer
    x = 30,452,108.10

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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.