Home / 208,045,692.89-312,113,262.67-60,495,817.08

Finding the Fourth Proportional to 208,045,692.89, 312,113,262.67 and 60,495,817.08

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Solution

The fourth proportional to 208,045,692.89, 312,113,262.67 and 60,495,817.08 is: 90,756,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,045,692.89 : 312,113,262.67 = 60,495,817.08 : x
  2. Step 2: Convert to fraction form
    208,045,692.89/312,113,262.67 = 60,495,817.08/x
  3. Step 3: Cross multiply
    208,045,692.89x = 312,113,262.67 × 60,495,817.08
  4. Step 4: Simplify right side
    208,045,692.89x = 18,881,546,846,575,072
  5. Step 5: Solve for x
    x = 18,881,546,846,575,072/208,045,692.89
  6. Step 6: Final answer
    x = 90,756,730.34

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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.