Home / 115,917,068.40-173,875,602.60-81,904,844.40

Finding the Fourth Proportional to 115,917,068.40, 173,875,602.60 and 81,904,844.40

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Solution

The fourth proportional to 115,917,068.40, 173,875,602.60 and 81,904,844.40 is: 122,857,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917,068.40 : 173,875,602.60 = 81,904,844.40 : x
  2. Step 2: Convert to fraction form
    115,917,068.40/173,875,602.60 = 81,904,844.40/x
  3. Step 3: Cross multiply
    115,917,068.40x = 173,875,602.60 × 81,904,844.40
  4. Step 4: Simplify right side
    115,917,068.40x = 14,241,254,175,909,236
  5. Step 5: Solve for x
    x = 14,241,254,175,909,236/115,917,068.40
  6. Step 6: Final answer
    x = 122,857,266.60

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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.