Home / 157,464,905.40-236,197,358.10-118,665,775.80

Finding the Fourth Proportional to 157,464,905.40, 236,197,358.10 and 118,665,775.80

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Solution

The fourth proportional to 157,464,905.40, 236,197,358.10 and 118,665,775.80 is: 177,998,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,905.40 : 236,197,358.10 = 118,665,775.80 : x
  2. Step 2: Convert to fraction form
    157,464,905.40/236,197,358.10 = 118,665,775.80/x
  3. Step 3: Cross multiply
    157,464,905.40x = 236,197,358.10 × 118,665,775.80
  4. Step 4: Simplify right side
    157,464,905.40x = 28,028,542,740,846,912
  5. Step 5: Solve for x
    x = 28,028,542,740,846,912/157,464,905.40
  6. Step 6: Final answer
    x = 177,998,663.70

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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.