Home / 74,732,805.80-112,099,208.70-20,880,031.40

Finding the Fourth Proportional to 74,732,805.80, 112,099,208.70 and 20,880,031.40

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Solution

The fourth proportional to 74,732,805.80, 112,099,208.70 and 20,880,031.40 is: 31,320,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732,805.80 : 112,099,208.70 = 20,880,031.40 : x
  2. Step 2: Convert to fraction form
    74,732,805.80/112,099,208.70 = 20,880,031.40/x
  3. Step 3: Cross multiply
    74,732,805.80x = 112,099,208.70 × 20,880,031.40
  4. Step 4: Simplify right side
    74,732,805.80x = 2,340,634,997,571,153
  5. Step 5: Solve for x
    x = 2,340,634,997,571,153/74,732,805.80
  6. Step 6: Final answer
    x = 31,320,047.10

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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.