Home / 156,811,110.96-216,390,444.90-87,194,997.16

Finding the Fourth Proportional to 156,811,110.96, 216,390,444.90 and 87,194,997.16

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Solution

The fourth proportional to 156,811,110.96, 216,390,444.90 and 87,194,997.16 is: 120,324,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,811,110.96 : 216,390,444.90 = 87,194,997.16 : x
  2. Step 2: Convert to fraction form
    156,811,110.96/216,390,444.90 = 87,194,997.16/x
  3. Step 3: Cross multiply
    156,811,110.96x = 216,390,444.90 × 87,194,997.16
  4. Step 4: Simplify right side
    156,811,110.96x = 18,868,164,228,506,636
  5. Step 5: Solve for x
    x = 18,868,164,228,506,636/156,811,110.96
  6. Step 6: Final answer
    x = 120,324,153.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.