Home / 104,976,145.10-157,464,217.65-70,711,978.70

Finding the Fourth Proportional to 104,976,145.10, 157,464,217.65 and 70,711,978.70

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Solution

The fourth proportional to 104,976,145.10, 157,464,217.65 and 70,711,978.70 is: 106,067,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,145.10 : 157,464,217.65 = 70,711,978.70 : x
  2. Step 2: Convert to fraction form
    104,976,145.10/157,464,217.65 = 70,711,978.70/x
  3. Step 3: Cross multiply
    104,976,145.10x = 157,464,217.65 × 70,711,978.70
  4. Step 4: Simplify right side
    104,976,145.10x = 11,134,606,404,478,964
  5. Step 5: Solve for x
    x = 11,134,606,404,478,964/104,976,145.10
  6. Step 6: Final answer
    x = 106,067,968.05

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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.