Home / 65,219,998.20-97,829,997.30-43,720,913.40

Finding the Fourth Proportional to 65,219,998.20, 97,829,997.30 and 43,720,913.40

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Solution

The fourth proportional to 65,219,998.20, 97,829,997.30 and 43,720,913.40 is: 65,581,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,219,998.20 : 97,829,997.30 = 43,720,913.40 : x
  2. Step 2: Convert to fraction form
    65,219,998.20/97,829,997.30 = 43,720,913.40/x
  3. Step 3: Cross multiply
    65,219,998.20x = 97,829,997.30 × 43,720,913.40
  4. Step 4: Simplify right side
    65,219,998.20x = 4,277,216,839,875,533.50
  5. Step 5: Solve for x
    x = 4,277,216,839,875,533.50/65,219,998.20
  6. Step 6: Final answer
    x = 65,581,370.10

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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.