Home / 82,308,038.76-113,617,047.60-61,741,315.80

Finding the Fourth Proportional to 82,308,038.76, 113,617,047.60 and 61,741,315.80

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Solution

The fourth proportional to 82,308,038.76, 113,617,047.60 and 61,741,315.80 is: 85,226,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,308,038.76 : 113,617,047.60 = 61,741,315.80 : x
  2. Step 2: Convert to fraction form
    82,308,038.76/113,617,047.60 = 61,741,315.80/x
  3. Step 3: Cross multiply
    82,308,038.76x = 113,617,047.60 × 61,741,315.80
  4. Step 4: Simplify right side
    82,308,038.76x = 7,014,866,016,135,231
  5. Step 5: Solve for x
    x = 7,014,866,016,135,231/82,308,038.76
  6. Step 6: Final answer
    x = 85,226,985.38

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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.