Home / 114,624,206.40-171,936,309.60-78,344,500.80

Finding the Fourth Proportional to 114,624,206.40, 171,936,309.60 and 78,344,500.80

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Solution

The fourth proportional to 114,624,206.40, 171,936,309.60 and 78,344,500.80 is: 117,516,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,624,206.40 : 171,936,309.60 = 78,344,500.80 : x
  2. Step 2: Convert to fraction form
    114,624,206.40/171,936,309.60 = 78,344,500.80/x
  3. Step 3: Cross multiply
    114,624,206.40x = 171,936,309.60 × 78,344,500.80
  4. Step 4: Simplify right side
    114,624,206.40x = 13,470,264,345,006,246
  5. Step 5: Solve for x
    x = 13,470,264,345,006,246/114,624,206.40
  6. Step 6: Final answer
    x = 117,516,751.20

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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.