Home / 82,885,246.40-124,327,869.60-64,745,393.60

Finding the Fourth Proportional to 82,885,246.40, 124,327,869.60 and 64,745,393.60

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Solution

The fourth proportional to 82,885,246.40, 124,327,869.60 and 64,745,393.60 is: 97,118,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885,246.40 : 124,327,869.60 = 64,745,393.60 : x
  2. Step 2: Convert to fraction form
    82,885,246.40/124,327,869.60 = 64,745,393.60/x
  3. Step 3: Cross multiply
    82,885,246.40x = 124,327,869.60 × 64,745,393.60
  4. Step 4: Simplify right side
    82,885,246.40x = 8,049,656,852,701,474
  5. Step 5: Solve for x
    x = 8,049,656,852,701,474/82,885,246.40
  6. Step 6: Final answer
    x = 97,118,090.40

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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.