Home / 52,507,370.45-78,761,055.68-45,429,482.45

Finding the Fourth Proportional to 52,507,370.45, 78,761,055.68 and 45,429,482.45

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Solution

The fourth proportional to 52,507,370.45, 78,761,055.68 and 45,429,482.45 is: 68,144,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,370.45 : 78,761,055.68 = 45,429,482.45 : x
  2. Step 2: Convert to fraction form
    52,507,370.45/78,761,055.68 = 45,429,482.45/x
  3. Step 3: Cross multiply
    52,507,370.45x = 78,761,055.68 × 45,429,482.45
  4. Step 4: Simplify right side
    52,507,370.45x = 3,578,073,996,530,885.50
  5. Step 5: Solve for x
    x = 3,578,073,996,530,885.50/52,507,370.45
  6. Step 6: Final answer
    x = 68,144,223.68

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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.