Home / 162,410,542,302.16-243,516,521,803.20-77,446,323,410.86

Finding the Fourth Proportional to 162,410,542,302.16, 243,516,521,803.20 and 77,446,323,410.86

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Solution

The fourth proportional to 162,410,542,302.16, 243,516,521,803.20 and 77,446,323,410.86 is: 116,122,137,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,410,542,302.16 : 243,516,521,803.20 = 77,446,323,410.86 : x
  2. Step 2: Convert to fraction form
    162,410,542,302.16/243,516,521,803.20 = 77,446,323,410.86/x
  3. Step 3: Cross multiply
    162,410,542,302.16x = 243,516,521,803.20 × 77,446,323,410.86
  4. Step 4: Simplify right side
    162,410,542,302.16x = 18,859,459,303,458,369,175,552
  5. Step 5: Solve for x
    x = 18,859,459,303,458,369,175,552/162,410,542,302.16
  6. Step 6: Final answer
    x = 116,122,137,369.45

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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.