Home / 89,090,692.59-133,646,128.08-79,936,538.32

Finding the Fourth Proportional to 89,090,692.59, 133,646,128.08 and 79,936,538.32

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Solution

The fourth proportional to 89,090,692.59, 133,646,128.08 and 79,936,538.32 is: 119,913,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090,692.59 : 133,646,128.08 = 79,936,538.32 : x
  2. Step 2: Convert to fraction form
    89,090,692.59/133,646,128.08 = 79,936,538.32/x
  3. Step 3: Cross multiply
    89,090,692.59x = 133,646,128.08 × 79,936,538.32
  4. Step 4: Simplify right side
    89,090,692.59x = 10,683,208,838,586,546
  5. Step 5: Solve for x
    x = 10,683,208,838,586,546/89,090,692.59
  6. Step 6: Final answer
    x = 119,913,860.01

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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.