Home / 66,440,470.70-99,674,702.85-28,082,240.30

Finding the Fourth Proportional to 66,440,470.70, 99,674,702.85 and 28,082,240.30

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Solution

The fourth proportional to 66,440,470.70, 99,674,702.85 and 28,082,240.30 is: 42,129,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,470.70 : 99,674,702.85 = 28,082,240.30 : x
  2. Step 2: Convert to fraction form
    66,440,470.70/99,674,702.85 = 28,082,240.30/x
  3. Step 3: Cross multiply
    66,440,470.70x = 99,674,702.85 × 28,082,240.30
  4. Step 4: Simplify right side
    66,440,470.70x = 2,799,088,957,264,795
  5. Step 5: Solve for x
    x = 2,799,088,957,264,795/66,440,470.70
  6. Step 6: Final answer
    x = 42,129,276.45

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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.