Home / 130,359,701.52-179,893,494.93-70,819,458.96

Finding the Fourth Proportional to 130,359,701.52, 179,893,494.93 and 70,819,458.96

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Solution

The fourth proportional to 130,359,701.52, 179,893,494.93 and 70,819,458.96 is: 97,729,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,359,701.52 : 179,893,494.93 = 70,819,458.96 : x
  2. Step 2: Convert to fraction form
    130,359,701.52/179,893,494.93 = 70,819,458.96/x
  3. Step 3: Cross multiply
    130,359,701.52x = 179,893,494.93 × 70,819,458.96
  4. Step 4: Simplify right side
    130,359,701.52x = 12,739,959,981,366,102
  5. Step 5: Solve for x
    x = 12,739,959,981,366,102/130,359,701.52
  6. Step 6: Final answer
    x = 97,729,281.62

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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.