Home / 208,123,611,699.29-312,124,854,130.01-80,609,863,116.96

Finding the Fourth Proportional to 208,123,611,699.29, 312,124,854,130.01 and 80,609,863,116.96

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Solution

The fourth proportional to 208,123,611,699.29, 312,124,854,130.01 and 80,609,863,116.96 is: 120,891,337,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,123,611,699.29 : 312,124,854,130.01 = 80,609,863,116.96 : x
  2. Step 2: Convert to fraction form
    208,123,611,699.29/312,124,854,130.01 = 80,609,863,116.96/x
  3. Step 3: Cross multiply
    208,123,611,699.29x = 312,124,854,130.01 × 80,609,863,116.96
  4. Step 4: Simplify right side
    208,123,611,699.29x = 25,160,341,766,821,216,518,144
  5. Step 5: Solve for x
    x = 25,160,341,766,821,216,518,144/208,123,611,699.29
  6. Step 6: Final answer
    x = 120,891,337,419.10

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1.5x scale

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.