Home / 104,976,021.60-157,464,032.40-72,097,538.40

Finding the Fourth Proportional to 104,976,021.60, 157,464,032.40 and 72,097,538.40

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Solution

The fourth proportional to 104,976,021.60, 157,464,032.40 and 72,097,538.40 is: 108,146,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,021.60 : 157,464,032.40 = 72,097,538.40 : x
  2. Step 2: Convert to fraction form
    104,976,021.60/157,464,032.40 = 72,097,538.40/x
  3. Step 3: Cross multiply
    104,976,021.60x = 157,464,032.40 × 72,097,538.40
  4. Step 4: Simplify right side
    104,976,021.60x = 11,352,769,122,577,846
  5. Step 5: Solve for x
    x = 11,352,769,122,577,846/104,976,021.60
  6. Step 6: Final answer
    x = 108,146,307.60

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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.