Home / 70,289,444.48-105,441,142.45-25,985,342.97

Finding the Fourth Proportional to 70,289,444.48, 105,441,142.45 and 25,985,342.97

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Solution

The fourth proportional to 70,289,444.48, 105,441,142.45 and 25,985,342.97 is: 38,980,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,289,444.48 : 105,441,142.45 = 25,985,342.97 : x
  2. Step 2: Convert to fraction form
    70,289,444.48/105,441,142.45 = 25,985,342.97/x
  3. Step 3: Cross multiply
    70,289,444.48x = 105,441,142.45 × 25,985,342.97
  4. Step 4: Simplify right side
    70,289,444.48x = 2,739,924,249,054,743.50
  5. Step 5: Solve for x
    x = 2,739,924,249,054,743.50/70,289,444.48
  6. Step 6: Final answer
    x = 38,980,593.31

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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.