Home / 102,155,289.96-140,977,277.52-55,748,533.20

Finding the Fourth Proportional to 102,155,289.96, 140,977,277.52 and 55,748,533.20

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Solution

The fourth proportional to 102,155,289.96, 140,977,277.52 and 55,748,533.20 is: 76,934,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,289.96 : 140,977,277.52 = 55,748,533.20 : x
  2. Step 2: Convert to fraction form
    102,155,289.96/140,977,277.52 = 55,748,533.20/x
  3. Step 3: Cross multiply
    102,155,289.96x = 140,977,277.52 × 55,748,533.20
  4. Step 4: Simplify right side
    102,155,289.96x = 7,859,276,436,269,335
  5. Step 5: Solve for x
    x = 7,859,276,436,269,335/102,155,289.96
  6. Step 6: Final answer
    x = 76,934,600.64

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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.