Home / 96,871,636.80-145,225,155.64-45,086,311.68

Finding the Fourth Proportional to 96,871,636.80, 145,225,155.64 and 45,086,311.68

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Solution

The fourth proportional to 96,871,636.80, 145,225,155.64 and 45,086,311.68 is: 67,591,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,871,636.80 : 145,225,155.64 = 45,086,311.68 : x
  2. Step 2: Convert to fraction form
    96,871,636.80/145,225,155.64 = 45,086,311.68/x
  3. Step 3: Cross multiply
    96,871,636.80x = 145,225,155.64 × 45,086,311.68
  4. Step 4: Simplify right side
    96,871,636.80x = 6,547,666,630,961,549
  5. Step 5: Solve for x
    x = 6,547,666,630,961,549/96,871,636.80
  6. Step 6: Final answer
    x = 67,591,163.39

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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.