Home / 53,281,109.70-79,872,675.75-19,194,119.46

Finding the Fourth Proportional to 53,281,109.70, 79,872,675.75 and 19,194,119.46

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Solution

The fourth proportional to 53,281,109.70, 79,872,675.75 and 19,194,119.46 is: 28,773,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281,109.70 : 79,872,675.75 = 19,194,119.46 : x
  2. Step 2: Convert to fraction form
    53,281,109.70/79,872,675.75 = 19,194,119.46/x
  3. Step 3: Cross multiply
    53,281,109.70x = 79,872,675.75 × 19,194,119.46
  4. Step 4: Simplify right side
    53,281,109.70x = 1,533,085,679,935,345.25
  5. Step 5: Solve for x
    x = 1,533,085,679,935,345.25/53,281,109.70
  6. Step 6: Final answer
    x = 28,773,531.34

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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.