Home / 78,266,908.80-117,372,424.32-32,195,312.64

Finding the Fourth Proportional to 78,266,908.80, 117,372,424.32 and 32,195,312.64

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Solution

The fourth proportional to 78,266,908.80, 117,372,424.32 and 32,195,312.64 is: 48,281,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,266,908.80 : 117,372,424.32 = 32,195,312.64 : x
  2. Step 2: Convert to fraction form
    78,266,908.80/117,372,424.32 = 32,195,312.64/x
  3. Step 3: Cross multiply
    78,266,908.80x = 117,372,424.32 × 32,195,312.64
  4. Step 4: Simplify right side
    78,266,908.80x = 3,778,841,896,297,139
  5. Step 5: Solve for x
    x = 3,778,841,896,297,139/78,266,908.80
  6. Step 6: Final answer
    x = 48,281,476.22

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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.