Home / 115,909,909.60-173,885,859.60-58,257,090.40

Finding the Fourth Proportional to 115,909,909.60, 173,885,859.60 and 58,257,090.40

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Solution

The fourth proportional to 115,909,909.60, 173,885,859.60 and 58,257,090.40 is: 87,396,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,909.60 : 173,885,859.60 = 58,257,090.40 : x
  2. Step 2: Convert to fraction form
    115,909,909.60/173,885,859.60 = 58,257,090.40/x
  3. Step 3: Cross multiply
    115,909,909.60x = 173,885,859.60 × 58,257,090.40
  4. Step 4: Simplify right side
    115,909,909.60x = 10,130,084,241,998,908
  5. Step 5: Solve for x
    x = 10,130,084,241,998,908/115,909,909.60
  6. Step 6: Final answer
    x = 87,396,187.93

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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.