Home / 208,015,735.23-287,056,220.36-118,706,078.68

Finding the Fourth Proportional to 208,015,735.23, 287,056,220.36 and 118,706,078.68

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Solution

The fourth proportional to 208,015,735.23, 287,056,220.36 and 118,706,078.68 is: 163,811,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,015,735.23 : 287,056,220.36 = 118,706,078.68 : x
  2. Step 2: Convert to fraction form
    208,015,735.23/287,056,220.36 = 118,706,078.68/x
  3. Step 3: Cross multiply
    208,015,735.23x = 287,056,220.36 × 118,706,078.68
  4. Step 4: Simplify right side
    208,015,735.23x = 34,075,318,278,326,408
  5. Step 5: Solve for x
    x = 34,075,318,278,326,408/208,015,735.23
  6. Step 6: Final answer
    x = 163,811,253.22

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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.