Home / 109,431,160-164,191,957.28-47,988,525.76

Finding the Fourth Proportional to 109,431,160, 164,191,957.28 and 47,988,525.76

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Solution

The fourth proportional to 109,431,160, 164,191,957.28 and 47,988,525.76 is: 72,002,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,431,160 : 164,191,957.28 = 47,988,525.76 : x
  2. Step 2: Convert to fraction form
    109,431,160/164,191,957.28 = 47,988,525.76/x
  3. Step 3: Cross multiply
    109,431,160x = 164,191,957.28 × 47,988,525.76
  4. Step 4: Simplify right side
    109,431,160x = 7,879,329,971,516,099
  5. Step 5: Solve for x
    x = 7,879,329,971,516,099/109,431,160
  6. Step 6: Final answer
    x = 72,002,617.64

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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.