Home / 180,636,245.72-249,258,027.40-100,166,214.30

Finding the Fourth Proportional to 180,636,245.72, 249,258,027.40 and 100,166,214.30

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Solution

The fourth proportional to 180,636,245.72, 249,258,027.40 and 100,166,214.30 is: 138,218,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636,245.72 : 249,258,027.40 = 100,166,214.30 : x
  2. Step 2: Convert to fraction form
    180,636,245.72/249,258,027.40 = 100,166,214.30/x
  3. Step 3: Cross multiply
    180,636,245.72x = 249,258,027.40 × 100,166,214.30
  4. Step 4: Simplify right side
    180,636,245.72x = 24,967,232,988,543,672
  5. Step 5: Solve for x
    x = 24,967,232,988,543,672/180,636,245.72
  6. Step 6: Final answer
    x = 138,218,289.96

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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.