Home / 208,015,740.86-287,056,228.12-118,706,084.30

Finding the Fourth Proportional to 208,015,740.86, 287,056,228.12 and 118,706,084.30

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Solution

The fourth proportional to 208,015,740.86, 287,056,228.12 and 118,706,084.30 is: 163,811,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,015,740.86 : 287,056,228.12 = 118,706,084.30 : x
  2. Step 2: Convert to fraction form
    208,015,740.86/287,056,228.12 = 118,706,084.30/x
  3. Step 3: Cross multiply
    208,015,740.86x = 287,056,228.12 × 118,706,084.30
  4. Step 4: Simplify right side
    208,015,740.86x = 34,075,320,814,473,624
  5. Step 5: Solve for x
    x = 34,075,320,814,473,624/208,015,740.86
  6. Step 6: Final answer
    x = 163,811,260.99

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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.