Home / 66,114,953.90-99,186,427.65-20,053,040.30

Finding the Fourth Proportional to 66,114,953.90, 99,186,427.65 and 20,053,040.30

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Solution

The fourth proportional to 66,114,953.90, 99,186,427.65 and 20,053,040.30 is: 30,083,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,114,953.90 : 99,186,427.65 = 20,053,040.30 : x
  2. Step 2: Convert to fraction form
    66,114,953.90/99,186,427.65 = 20,053,040.30/x
  3. Step 3: Cross multiply
    66,114,953.90x = 99,186,427.65 × 20,053,040.30
  4. Step 4: Simplify right side
    66,114,953.90x = 1,988,989,430,878,484.50
  5. Step 5: Solve for x
    x = 1,988,989,430,878,484.50/66,114,953.90
  6. Step 6: Final answer
    x = 30,083,805.76

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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.