Home / 66,430,343.70-99,645,515.55-49,211,655.30

Finding the Fourth Proportional to 66,430,343.70, 99,645,515.55 and 49,211,655.30

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Solution

The fourth proportional to 66,430,343.70, 99,645,515.55 and 49,211,655.30 is: 73,817,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,343.70 : 99,645,515.55 = 49,211,655.30 : x
  2. Step 2: Convert to fraction form
    66,430,343.70/99,645,515.55 = 49,211,655.30/x
  3. Step 3: Cross multiply
    66,430,343.70x = 99,645,515.55 × 49,211,655.30
  4. Step 4: Simplify right side
    66,430,343.70x = 4,903,720,763,437,389
  5. Step 5: Solve for x
    x = 4,903,720,763,437,389/66,430,343.70
  6. Step 6: Final answer
    x = 73,817,482.95

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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.