Home / 66,430,208.20-99,645,312.30-34,145,167.45

Finding the Fourth Proportional to 66,430,208.20, 99,645,312.30 and 34,145,167.45

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Solution

The fourth proportional to 66,430,208.20, 99,645,312.30 and 34,145,167.45 is: 51,217,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,208.20 : 99,645,312.30 = 34,145,167.45 : x
  2. Step 2: Convert to fraction form
    66,430,208.20/99,645,312.30 = 34,145,167.45/x
  3. Step 3: Cross multiply
    66,430,208.20x = 99,645,312.30 × 34,145,167.45
  4. Step 4: Simplify right side
    66,430,208.20x = 3,402,405,874,091,045
  5. Step 5: Solve for x
    x = 3,402,405,874,091,045/66,430,208.20
  6. Step 6: Final answer
    x = 51,217,751.18

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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.