Home / 79,834,475,999.80-119,751,713,999.70-66,773,781,983.80

Finding the Fourth Proportional to 79,834,475,999.80, 119,751,713,999.70 and 66,773,781,983.80

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Solution

The fourth proportional to 79,834,475,999.80, 119,751,713,999.70 and 66,773,781,983.80 is: 100,160,672,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834,475,999.80 : 119,751,713,999.70 = 66,773,781,983.80 : x
  2. Step 2: Convert to fraction form
    79,834,475,999.80/119,751,713,999.70 = 66,773,781,983.80/x
  3. Step 3: Cross multiply
    79,834,475,999.80x = 119,751,713,999.70 × 66,773,781,983.80
  4. Step 4: Simplify right side
    79,834,475,999.80x = 7,996,274,842,802,338,136,064
  5. Step 5: Solve for x
    x = 7,996,274,842,802,338,136,064/79,834,475,999.80
  6. Step 6: Final answer
    x = 100,160,672,975.70

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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.