Home / 70,289,444.98-105,441,143.20-25,985,343.47

Finding the Fourth Proportional to 70,289,444.98, 105,441,143.20 and 25,985,343.47

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Solution

The fourth proportional to 70,289,444.98, 105,441,143.20 and 25,985,343.47 is: 38,980,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,289,444.98 : 105,441,143.20 = 25,985,343.47 : x
  2. Step 2: Convert to fraction form
    70,289,444.98/105,441,143.20 = 25,985,343.47/x
  3. Step 3: Cross multiply
    70,289,444.98x = 105,441,143.20 × 25,985,343.47
  4. Step 4: Simplify right side
    70,289,444.98x = 2,739,924,321,921,455
  5. Step 5: Solve for x
    x = 2,739,924,321,921,455/70,289,444.98
  6. Step 6: Final answer
    x = 38,980,594.07

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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.