Home / 158,700,801.60-237,757,269.60-90,340,430.40

Finding the Fourth Proportional to 158,700,801.60, 237,757,269.60 and 90,340,430.40

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Solution

The fourth proportional to 158,700,801.60, 237,757,269.60 and 90,340,430.40 is: 135,343,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,700,801.60 : 237,757,269.60 = 90,340,430.40 : x
  2. Step 2: Convert to fraction form
    158,700,801.60/237,757,269.60 = 90,340,430.40/x
  3. Step 3: Cross multiply
    158,700,801.60x = 237,757,269.60 × 90,340,430.40
  4. Step 4: Simplify right side
    158,700,801.60x = 21,479,094,066,392,836
  5. Step 5: Solve for x
    x = 21,479,094,066,392,836/158,700,801.60
  6. Step 6: Final answer
    x = 135,343,324.36

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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.