Home / 156,065,203.60-215,369,906.06-93,341,300.47

Finding the Fourth Proportional to 156,065,203.60, 215,369,906.06 and 93,341,300.47

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Solution

The fourth proportional to 156,065,203.60, 215,369,906.06 and 93,341,300.47 is: 128,810,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,203.60 : 215,369,906.06 = 93,341,300.47 : x
  2. Step 2: Convert to fraction form
    156,065,203.60/215,369,906.06 = 93,341,300.47/x
  3. Step 3: Cross multiply
    156,065,203.60x = 215,369,906.06 × 93,341,300.47
  4. Step 4: Simplify right side
    156,065,203.60x = 20,102,907,113,742,132
  5. Step 5: Solve for x
    x = 20,102,907,113,742,132/156,065,203.60
  6. Step 6: Final answer
    x = 128,810,949.85

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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.