Home / 165,113,721.60-247,670,582.40-68,019,450.90

Finding the Fourth Proportional to 165,113,721.60, 247,670,582.40 and 68,019,450.90

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Solution

The fourth proportional to 165,113,721.60, 247,670,582.40 and 68,019,450.90 is: 102,029,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,113,721.60 : 247,670,582.40 = 68,019,450.90 : x
  2. Step 2: Convert to fraction form
    165,113,721.60/247,670,582.40 = 68,019,450.90/x
  3. Step 3: Cross multiply
    165,113,721.60x = 247,670,582.40 × 68,019,450.90
  4. Step 4: Simplify right side
    165,113,721.60x = 16,846,417,018,931,206
  5. Step 5: Solve for x
    x = 16,846,417,018,931,206/165,113,721.60
  6. Step 6: Final answer
    x = 102,029,176.35

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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.