Home / 35,771,331.40-53,674,711.80-20,430,401.20

Finding the Fourth Proportional to 35,771,331.40, 53,674,711.80 and 20,430,401.20

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Solution

The fourth proportional to 35,771,331.40, 53,674,711.80 and 20,430,401.20 is: 30,655,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771,331.40 : 53,674,711.80 = 20,430,401.20 : x
  2. Step 2: Convert to fraction form
    35,771,331.40/53,674,711.80 = 20,430,401.20/x
  3. Step 3: Cross multiply
    35,771,331.40x = 53,674,711.80 × 20,430,401.20
  4. Step 4: Simplify right side
    35,771,331.40x = 1,096,595,896,368,374
  5. Step 5: Solve for x
    x = 1,096,595,896,368,374/35,771,331.40
  6. Step 6: Final answer
    x = 30,655,719.36

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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.