Home / 123,670,353.10-185,688,581.55-69,191,745.70

Finding the Fourth Proportional to 123,670,353.10, 185,688,581.55 and 69,191,745.70

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Solution

The fourth proportional to 123,670,353.10, 185,688,581.55 and 69,191,745.70 is: 103,890,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670,353.10 : 185,688,581.55 = 69,191,745.70 : x
  2. Step 2: Convert to fraction form
    123,670,353.10/185,688,581.55 = 69,191,745.70/x
  3. Step 3: Cross multiply
    123,670,353.10x = 185,688,581.55 × 69,191,745.70
  4. Step 4: Simplify right side
    123,670,353.10x = 12,848,117,114,001,314
  5. Step 5: Solve for x
    x = 12,848,117,114,001,314/123,670,353.10
  6. Step 6: Final answer
    x = 103,890,033.40

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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.