Home / 56,776,005.20-85,164,007.80-56,178,808.40

Finding the Fourth Proportional to 56,776,005.20, 85,164,007.80 and 56,178,808.40

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Solution

The fourth proportional to 56,776,005.20, 85,164,007.80 and 56,178,808.40 is: 84,268,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776,005.20 : 85,164,007.80 = 56,178,808.40 : x
  2. Step 2: Convert to fraction form
    56,776,005.20/85,164,007.80 = 56,178,808.40/x
  3. Step 3: Cross multiply
    56,776,005.20x = 85,164,007.80 × 56,178,808.40
  4. Step 4: Simplify right side
    56,776,005.20x = 4,784,412,476,772,305
  5. Step 5: Solve for x
    x = 4,784,412,476,772,305/56,776,005.20
  6. Step 6: Final answer
    x = 84,268,212.60

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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.