Home / 151,045,265,268.53-208,443,312,712.24-85,939,690,985.45

Finding the Fourth Proportional to 151,045,265,268.53, 208,443,312,712.24 and 85,939,690,985.45

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Solution

The fourth proportional to 151,045,265,268.53, 208,443,312,712.24 and 85,939,690,985.45 is: 118,597,255,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,045,265,268.53 : 208,443,312,712.24 = 85,939,690,985.45 : x
  2. Step 2: Convert to fraction form
    151,045,265,268.53/208,443,312,712.24 = 85,939,690,985.45/x
  3. Step 3: Cross multiply
    151,045,265,268.53x = 208,443,312,712.24 × 85,939,690,985.45
  4. Step 4: Simplify right side
    151,045,265,268.53x = 17,913,553,882,472,385,609,728
  5. Step 5: Solve for x
    x = 17,913,553,882,472,385,609,728/151,045,265,268.53
  6. Step 6: Final answer
    x = 118,597,255,270.63

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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.