Home / 185,867,929.60-278,801,894.40-89,012,807.35

Finding the Fourth Proportional to 185,867,929.60, 278,801,894.40 and 89,012,807.35

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Solution

The fourth proportional to 185,867,929.60, 278,801,894.40 and 89,012,807.35 is: 133,519,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,867,929.60 : 278,801,894.40 = 89,012,807.35 : x
  2. Step 2: Convert to fraction form
    185,867,929.60/278,801,894.40 = 89,012,807.35/x
  3. Step 3: Cross multiply
    185,867,929.60x = 278,801,894.40 × 89,012,807.35
  4. Step 4: Simplify right side
    185,867,929.60x = 24,816,939,315,042,240
  5. Step 5: Solve for x
    x = 24,816,939,315,042,240/185,867,929.60
  6. Step 6: Final answer
    x = 133,519,211.03

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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.