Home / 151,045,265,266.93-208,443,312,710.04-85,939,690,983.85

Finding the Fourth Proportional to 151,045,265,266.93, 208,443,312,710.04 and 85,939,690,983.85

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Solution

The fourth proportional to 151,045,265,266.93, 208,443,312,710.04 and 85,939,690,983.85 is: 118,597,255,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,045,265,266.93 : 208,443,312,710.04 = 85,939,690,983.85 : x
  2. Step 2: Convert to fraction form
    151,045,265,266.93/208,443,312,710.04 = 85,939,690,983.85/x
  3. Step 3: Cross multiply
    151,045,265,266.93x = 208,443,312,710.04 × 85,939,690,983.85
  4. Step 4: Simplify right side
    151,045,265,266.93x = 17,913,553,881,950,435,934,208
  5. Step 5: Solve for x
    x = 17,913,553,881,950,435,934,208/151,045,265,266.93
  6. Step 6: Final answer
    x = 118,597,255,268.43

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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.