Home / 425,088,093.60-637,632,140.40-118,427,536.80

Finding the Fourth Proportional to 425,088,093.60, 637,632,140.40 and 118,427,536.80

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Solution

The fourth proportional to 425,088,093.60, 637,632,140.40 and 118,427,536.80 is: 177,641,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,088,093.60 : 637,632,140.40 = 118,427,536.80 : x
  2. Step 2: Convert to fraction form
    425,088,093.60/637,632,140.40 = 118,427,536.80/x
  3. Step 3: Cross multiply
    425,088,093.60x = 637,632,140.40 × 118,427,536.80
  4. Step 4: Simplify right side
    425,088,093.60x = 75,513,203,772,083,760
  5. Step 5: Solve for x
    x = 75,513,203,772,083,760/425,088,093.60
  6. Step 6: Final answer
    x = 177,641,305.20

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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.