Home / 157,788,905.80-236,683,358.70-151,742,288.20

Finding the Fourth Proportional to 157,788,905.80, 236,683,358.70 and 151,742,288.20

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Solution

The fourth proportional to 157,788,905.80, 236,683,358.70 and 151,742,288.20 is: 227,613,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,905.80 : 236,683,358.70 = 151,742,288.20 : x
  2. Step 2: Convert to fraction form
    157,788,905.80/236,683,358.70 = 151,742,288.20/x
  3. Step 3: Cross multiply
    157,788,905.80x = 236,683,358.70 × 151,742,288.20
  4. Step 4: Simplify right side
    157,788,905.80x = 35,914,874,427,999,372
  5. Step 5: Solve for x
    x = 35,914,874,427,999,372/157,788,905.80
  6. Step 6: Final answer
    x = 227,613,432.30

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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.