Home / 115,983,001.60-174,030,489.60-81,830,809.60

Finding the Fourth Proportional to 115,983,001.60, 174,030,489.60 and 81,830,809.60

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Solution

The fourth proportional to 115,983,001.60, 174,030,489.60 and 81,830,809.60 is: 122,785,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,983,001.60 : 174,030,489.60 = 81,830,809.60 : x
  2. Step 2: Convert to fraction form
    115,983,001.60/174,030,489.60 = 81,830,809.60/x
  3. Step 3: Cross multiply
    115,983,001.60x = 174,030,489.60 × 81,830,809.60
  4. Step 4: Simplify right side
    115,983,001.60x = 14,241,055,859,052,378
  5. Step 5: Solve for x
    x = 14,241,055,859,052,378/115,983,001.60
  6. Step 6: Final answer
    x = 122,785,715.69

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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.