Home / 115,219,059.71-159,014,624.45-70,594,646.42

Finding the Fourth Proportional to 115,219,059.71, 159,014,624.45 and 70,594,646.42

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Solution

The fourth proportional to 115,219,059.71, 159,014,624.45 and 70,594,646.42 is: 97,428,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,219,059.71 : 159,014,624.45 = 70,594,646.42 : x
  2. Step 2: Convert to fraction form
    115,219,059.71/159,014,624.45 = 70,594,646.42/x
  3. Step 3: Cross multiply
    115,219,059.71x = 159,014,624.45 × 70,594,646.42
  4. Step 4: Simplify right side
    115,219,059.71x = 11,225,581,188,701,400
  5. Step 5: Solve for x
    x = 11,225,581,188,701,400/115,219,059.71
  6. Step 6: Final answer
    x = 97,428,161.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.