Home / 118,045,799.70-177,068,699.55-105,610,080.30

Finding the Fourth Proportional to 118,045,799.70, 177,068,699.55 and 105,610,080.30

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Solution

The fourth proportional to 118,045,799.70, 177,068,699.55 and 105,610,080.30 is: 158,415,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045,799.70 : 177,068,699.55 = 105,610,080.30 : x
  2. Step 2: Convert to fraction form
    118,045,799.70/177,068,699.55 = 105,610,080.30/x
  3. Step 3: Cross multiply
    118,045,799.70x = 177,068,699.55 × 105,610,080.30
  4. Step 4: Simplify right side
    118,045,799.70x = 18,700,239,578,092,076
  5. Step 5: Solve for x
    x = 18,700,239,578,092,076/118,045,799.70
  6. Step 6: Final answer
    x = 158,415,120.45

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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.