Home / 130,909,737.60-180,615,405.42-75,894,615.36

Finding the Fourth Proportional to 130,909,737.60, 180,615,405.42 and 75,894,615.36

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Solution

The fourth proportional to 130,909,737.60, 180,615,405.42 and 75,894,615.36 is: 104,711,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,909,737.60 : 180,615,405.42 = 75,894,615.36 : x
  2. Step 2: Convert to fraction form
    130,909,737.60/180,615,405.42 = 75,894,615.36/x
  3. Step 3: Cross multiply
    130,909,737.60x = 180,615,405.42 × 75,894,615.36
  4. Step 4: Simplify right side
    130,909,737.60x = 13,707,736,722,441,358
  5. Step 5: Solve for x
    x = 13,707,736,722,441,358/130,909,737.60
  6. Step 6: Final answer
    x = 104,711,360.47

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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.