Home / 158,456,750.40-237,685,125.60-138,301,358.40

Finding the Fourth Proportional to 158,456,750.40, 237,685,125.60 and 138,301,358.40

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Solution

The fourth proportional to 158,456,750.40, 237,685,125.60 and 138,301,358.40 is: 207,452,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,456,750.40 : 237,685,125.60 = 138,301,358.40 : x
  2. Step 2: Convert to fraction form
    158,456,750.40/237,685,125.60 = 138,301,358.40/x
  3. Step 3: Cross multiply
    158,456,750.40x = 237,685,125.60 × 138,301,358.40
  4. Step 4: Simplify right side
    158,456,750.40x = 32,872,175,741,954,616
  5. Step 5: Solve for x
    x = 32,872,175,741,954,616/158,456,750.40
  6. Step 6: Final answer
    x = 207,452,037.60

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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.