Home / 56,634,349.30-84,984,701.55-20,736,186.10

Finding the Fourth Proportional to 56,634,349.30, 84,984,701.55 and 20,736,186.10

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Solution

The fourth proportional to 56,634,349.30, 84,984,701.55 and 20,736,186.10 is: 31,116,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634,349.30 : 84,984,701.55 = 20,736,186.10 : x
  2. Step 2: Convert to fraction form
    56,634,349.30/84,984,701.55 = 20,736,186.10/x
  3. Step 3: Cross multiply
    56,634,349.30x = 84,984,701.55 × 20,736,186.10
  4. Step 4: Simplify right side
    56,634,349.30x = 1,762,258,586,993,758.50
  5. Step 5: Solve for x
    x = 1,762,258,586,993,758.50/56,634,349.30
  6. Step 6: Final answer
    x = 31,116,426.85

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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.