Home / 234,156,595.18-323,135,848.90-128,312,591.35

Finding the Fourth Proportional to 234,156,595.18, 323,135,848.90 and 128,312,591.35

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Solution

The fourth proportional to 234,156,595.18, 323,135,848.90 and 128,312,591.35 is: 177,071,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,156,595.18 : 323,135,848.90 = 128,312,591.35 : x
  2. Step 2: Convert to fraction form
    234,156,595.18/323,135,848.90 = 128,312,591.35/x
  3. Step 3: Cross multiply
    234,156,595.18x = 323,135,848.90 × 128,312,591.35
  4. Step 4: Simplify right side
    234,156,595.18x = 41,462,398,130,441,040
  5. Step 5: Solve for x
    x = 41,462,398,130,441,040/234,156,595.18
  6. Step 6: Final answer
    x = 177,071,237.73

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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.