Home / 185,429,145.60-278,143,718.40-116,900,812.80

Finding the Fourth Proportional to 185,429,145.60, 278,143,718.40 and 116,900,812.80

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Solution

The fourth proportional to 185,429,145.60, 278,143,718.40 and 116,900,812.80 is: 175,351,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429,145.60 : 278,143,718.40 = 116,900,812.80 : x
  2. Step 2: Convert to fraction form
    185,429,145.60/278,143,718.40 = 116,900,812.80/x
  3. Step 3: Cross multiply
    185,429,145.60x = 278,143,718.40 × 116,900,812.80
  4. Step 4: Simplify right side
    185,429,145.60x = 32,515,226,756,174,312
  5. Step 5: Solve for x
    x = 32,515,226,756,174,312/185,429,145.60
  6. Step 6: Final answer
    x = 175,351,219.20

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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.