Home / 66,430,205.20-99,645,307.80-34,145,164.45

Finding the Fourth Proportional to 66,430,205.20, 99,645,307.80 and 34,145,164.45

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Solution

The fourth proportional to 66,430,205.20, 99,645,307.80 and 34,145,164.45 is: 51,217,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,205.20 : 99,645,307.80 = 34,145,164.45 : x
  2. Step 2: Convert to fraction form
    66,430,205.20/99,645,307.80 = 34,145,164.45/x
  3. Step 3: Cross multiply
    66,430,205.20x = 99,645,307.80 × 34,145,164.45
  4. Step 4: Simplify right side
    66,430,205.20x = 3,402,405,421,501,868
  5. Step 5: Solve for x
    x = 3,402,405,421,501,868/66,430,205.20
  6. Step 6: Final answer
    x = 51,217,746.68

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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.