Home / 208,220,648.42-287,176,948.49-183,048,938.55

Finding the Fourth Proportional to 208,220,648.42, 287,176,948.49 and 183,048,938.55

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Solution

The fourth proportional to 208,220,648.42, 287,176,948.49 and 183,048,938.55 is: 252,460,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,220,648.42 : 287,176,948.49 = 183,048,938.55 : x
  2. Step 2: Convert to fraction form
    208,220,648.42/287,176,948.49 = 183,048,938.55/x
  3. Step 3: Cross multiply
    208,220,648.42x = 287,176,948.49 × 183,048,938.55
  4. Step 4: Simplify right side
    208,220,648.42x = 52,567,435,597,580,152
  5. Step 5: Solve for x
    x = 52,567,435,597,580,152/208,220,648.42
  6. Step 6: Final answer
    x = 252,460,243.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.