Home / 199,740,208.50-299,610,312.75-56,133,040.50

Finding the Fourth Proportional to 199,740,208.50, 299,610,312.75 and 56,133,040.50

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Solution

The fourth proportional to 199,740,208.50, 299,610,312.75 and 56,133,040.50 is: 84,199,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740,208.50 : 299,610,312.75 = 56,133,040.50 : x
  2. Step 2: Convert to fraction form
    199,740,208.50/299,610,312.75 = 56,133,040.50/x
  3. Step 3: Cross multiply
    199,740,208.50x = 299,610,312.75 × 56,133,040.50
  4. Step 4: Simplify right side
    199,740,208.50x = 16,818,037,819,813,416
  5. Step 5: Solve for x
    x = 16,818,037,819,813,416/199,740,208.50
  6. Step 6: Final answer
    x = 84,199,560.75

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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.