Home / 164,385,728.40-246,547,765.01-82,482,615.66

Finding the Fourth Proportional to 164,385,728.40, 246,547,765.01 and 82,482,615.66

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Solution

The fourth proportional to 164,385,728.40, 246,547,765.01 and 82,482,615.66 is: 123,708,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,385,728.40 : 246,547,765.01 = 82,482,615.66 : x
  2. Step 2: Convert to fraction form
    164,385,728.40/246,547,765.01 = 82,482,615.66/x
  3. Step 3: Cross multiply
    164,385,728.40x = 246,547,765.01 × 82,482,615.66
  4. Step 4: Simplify right side
    164,385,728.40x = 20,335,904,541,506,676
  5. Step 5: Solve for x
    x = 20,335,904,541,506,676/164,385,728.40
  6. Step 6: Final answer
    x = 123,708,455.35

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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.