Home / 208,053,000.18-287,117,779.55-118,743,152.94

Finding the Fourth Proportional to 208,053,000.18, 287,117,779.55 and 118,743,152.94

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Solution

The fourth proportional to 208,053,000.18, 287,117,779.55 and 118,743,152.94 is: 163,868,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,053,000.18 : 287,117,779.55 = 118,743,152.94 : x
  2. Step 2: Convert to fraction form
    208,053,000.18/287,117,779.55 = 118,743,152.94/x
  3. Step 3: Cross multiply
    208,053,000.18x = 287,117,779.55 × 118,743,152.94
  4. Step 4: Simplify right side
    208,053,000.18x = 34,093,270,408,305,140
  5. Step 5: Solve for x
    x = 34,093,270,408,305,140/208,053,000.18
  6. Step 6: Final answer
    x = 163,868,198.87

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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.