Home / 103,365,310.40-155,068,960.80-35,214,891.20

Finding the Fourth Proportional to 103,365,310.40, 155,068,960.80 and 35,214,891.20

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Solution

The fourth proportional to 103,365,310.40, 155,068,960.80 and 35,214,891.20 is: 52,829,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,365,310.40 : 155,068,960.80 = 35,214,891.20 : x
  2. Step 2: Convert to fraction form
    103,365,310.40/155,068,960.80 = 35,214,891.20/x
  3. Step 3: Cross multiply
    103,365,310.40x = 155,068,960.80 × 35,214,891.20
  4. Step 4: Simplify right side
    103,365,310.40x = 5,460,736,583,069,066
  5. Step 5: Solve for x
    x = 5,460,736,583,069,066/103,365,310.40
  6. Step 6: Final answer
    x = 52,829,489.53

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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.