Home / 75,511,192.45-113,069,421.03-70,908,612.67

Finding the Fourth Proportional to 75,511,192.45, 113,069,421.03 and 70,908,612.67

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Solution

The fourth proportional to 75,511,192.45, 113,069,421.03 and 70,908,612.67 is: 106,177,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,511,192.45 : 113,069,421.03 = 70,908,612.67 : x
  2. Step 2: Convert to fraction form
    75,511,192.45/113,069,421.03 = 70,908,612.67/x
  3. Step 3: Cross multiply
    75,511,192.45x = 113,069,421.03 × 70,908,612.67
  4. Step 4: Simplify right side
    75,511,192.45x = 8,017,595,780,637,423
  5. Step 5: Solve for x
    x = 8,017,595,780,637,423/75,511,192.45
  6. Step 6: Final answer
    x = 106,177,581.37

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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.