Home / 56,943,399.40-85,415,099.10-56,412,557.80

Finding the Fourth Proportional to 56,943,399.40, 85,415,099.10 and 56,412,557.80

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Solution

The fourth proportional to 56,943,399.40, 85,415,099.10 and 56,412,557.80 is: 84,618,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943,399.40 : 85,415,099.10 = 56,412,557.80 : x
  2. Step 2: Convert to fraction form
    56,943,399.40/85,415,099.10 = 56,412,557.80/x
  3. Step 3: Cross multiply
    56,943,399.40x = 85,415,099.10 × 56,412,557.80
  4. Step 4: Simplify right side
    56,943,399.40x = 4,818,484,214,971,477
  5. Step 5: Solve for x
    x = 4,818,484,214,971,477/56,943,399.40
  6. Step 6: Final answer
    x = 84,618,836.70

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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.