Home / 102,155,285.46-140,977,271.31-55,748,528.70

Finding the Fourth Proportional to 102,155,285.46, 140,977,271.31 and 55,748,528.70

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Solution

The fourth proportional to 102,155,285.46, 140,977,271.31 and 55,748,528.70 is: 76,934,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,285.46 : 140,977,271.31 = 55,748,528.70 : x
  2. Step 2: Convert to fraction form
    102,155,285.46/140,977,271.31 = 55,748,528.70/x
  3. Step 3: Cross multiply
    102,155,285.46x = 140,977,271.31 × 55,748,528.70
  4. Step 4: Simplify right side
    102,155,285.46x = 7,859,275,455,673,222
  5. Step 5: Solve for x
    x = 7,859,275,455,673,222/102,155,285.46
  6. Step 6: Final answer
    x = 76,934,594.43

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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.