Home / 99,814,553.60-149,721,830.40-35,128,342.40

Finding the Fourth Proportional to 99,814,553.60, 149,721,830.40 and 35,128,342.40

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Solution

The fourth proportional to 99,814,553.60, 149,721,830.40 and 35,128,342.40 is: 52,692,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814,553.60 : 149,721,830.40 = 35,128,342.40 : x
  2. Step 2: Convert to fraction form
    99,814,553.60/149,721,830.40 = 35,128,342.40/x
  3. Step 3: Cross multiply
    99,814,553.60x = 149,721,830.40 × 35,128,342.40
  4. Step 4: Simplify right side
    99,814,553.60x = 5,259,479,723,045,929
  5. Step 5: Solve for x
    x = 5,259,479,723,045,929/99,814,553.60
  6. Step 6: Final answer
    x = 52,692,513.60

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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.