Home / 47,258,865.16-65,229,368.25-30,780,053.44

Finding the Fourth Proportional to 47,258,865.16, 65,229,368.25 and 30,780,053.44

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Solution

The fourth proportional to 47,258,865.16, 65,229,368.25 and 30,780,053.44 is: 42,484,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258,865.16 : 65,229,368.25 = 30,780,053.44 : x
  2. Step 2: Convert to fraction form
    47,258,865.16/65,229,368.25 = 30,780,053.44/x
  3. Step 3: Cross multiply
    47,258,865.16x = 65,229,368.25 × 30,780,053.44
  4. Step 4: Simplify right side
    47,258,865.16x = 2,007,763,440,592,439.25
  5. Step 5: Solve for x
    x = 2,007,763,440,592,439.25/47,258,865.16
  6. Step 6: Final answer
    x = 42,484,376.93

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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.