Home / 107,841,799.80-161,762,699.70-90,623,111.40

Finding the Fourth Proportional to 107,841,799.80, 161,762,699.70 and 90,623,111.40

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Solution

The fourth proportional to 107,841,799.80, 161,762,699.70 and 90,623,111.40 is: 135,934,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,799.80 : 161,762,699.70 = 90,623,111.40 : x
  2. Step 2: Convert to fraction form
    107,841,799.80/161,762,699.70 = 90,623,111.40/x
  3. Step 3: Cross multiply
    107,841,799.80x = 161,762,699.70 × 90,623,111.40
  4. Step 4: Simplify right side
    107,841,799.80x = 14,659,439,155,277,846
  5. Step 5: Solve for x
    x = 14,659,439,155,277,846/107,841,799.80
  6. Step 6: Final answer
    x = 135,934,667.10

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1.5x scale

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.