Home / 157,464,010.40-236,196,015.60-99,784,947.20

Finding the Fourth Proportional to 157,464,010.40, 236,196,015.60 and 99,784,947.20

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Solution

The fourth proportional to 157,464,010.40, 236,196,015.60 and 99,784,947.20 is: 149,677,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,010.40 : 236,196,015.60 = 99,784,947.20 : x
  2. Step 2: Convert to fraction form
    157,464,010.40/236,196,015.60 = 99,784,947.20/x
  3. Step 3: Cross multiply
    157,464,010.40x = 236,196,015.60 × 99,784,947.20
  4. Step 4: Simplify right side
    157,464,010.40x = 23,568,806,945,496,376
  5. Step 5: Solve for x
    x = 23,568,806,945,496,376/157,464,010.40
  6. Step 6: Final answer
    x = 149,677,420.80

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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.