Home / 76,998,200.40-115,497,300.60-76,467,358.80

Finding the Fourth Proportional to 76,998,200.40, 115,497,300.60 and 76,467,358.80

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Solution

The fourth proportional to 76,998,200.40, 115,497,300.60 and 76,467,358.80 is: 114,701,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998,200.40 : 115,497,300.60 = 76,467,358.80 : x
  2. Step 2: Convert to fraction form
    76,998,200.40/115,497,300.60 = 76,467,358.80/x
  3. Step 3: Cross multiply
    76,998,200.40x = 115,497,300.60 × 76,467,358.80
  4. Step 4: Simplify right side
    76,998,200.40x = 8,831,773,525,411,654
  5. Step 5: Solve for x
    x = 8,831,773,525,411,654/76,998,200.40
  6. Step 6: Final answer
    x = 114,701,038.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.