Home / 157,465,190.40-236,197,785.60-138,333,314.40

Finding the Fourth Proportional to 157,465,190.40, 236,197,785.60 and 138,333,314.40

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Solution

The fourth proportional to 157,465,190.40, 236,197,785.60 and 138,333,314.40 is: 207,499,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,190.40 : 236,197,785.60 = 138,333,314.40 : x
  2. Step 2: Convert to fraction form
    157,465,190.40/236,197,785.60 = 138,333,314.40/x
  3. Step 3: Cross multiply
    157,465,190.40x = 236,197,785.60 × 138,333,314.40
  4. Step 4: Simplify right side
    157,465,190.40x = 32,674,022,535,988,592
  5. Step 5: Solve for x
    x = 32,674,022,535,988,592/157,465,190.40
  6. Step 6: Final answer
    x = 207,499,971.60

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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.