Home / 166,208,072.70-249,312,109.05-98,083,400.70

Finding the Fourth Proportional to 166,208,072.70, 249,312,109.05 and 98,083,400.70

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Solution

The fourth proportional to 166,208,072.70, 249,312,109.05 and 98,083,400.70 is: 147,125,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,208,072.70 : 249,312,109.05 = 98,083,400.70 : x
  2. Step 2: Convert to fraction form
    166,208,072.70/249,312,109.05 = 98,083,400.70/x
  3. Step 3: Cross multiply
    166,208,072.70x = 249,312,109.05 × 98,083,400.70
  4. Step 4: Simplify right side
    166,208,072.70x = 24,453,379,491,313,248
  5. Step 5: Solve for x
    x = 24,453,379,491,313,248/166,208,072.70
  6. Step 6: Final answer
    x = 147,125,101.05

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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.