Home / 82,891,331.60-124,113,048.60-64,975,427.60

Finding the Fourth Proportional to 82,891,331.60, 124,113,048.60 and 64,975,427.60

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Solution

The fourth proportional to 82,891,331.60, 124,113,048.60 and 64,975,427.60 is: 97,287,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,891,331.60 : 124,113,048.60 = 64,975,427.60 : x
  2. Step 2: Convert to fraction form
    82,891,331.60/124,113,048.60 = 64,975,427.60/x
  3. Step 3: Cross multiply
    82,891,331.60x = 124,113,048.60 × 64,975,427.60
  4. Step 4: Simplify right side
    82,891,331.60x = 8,064,298,403,524,581
  5. Step 5: Solve for x
    x = 8,064,298,403,524,581/82,891,331.60
  6. Step 6: Final answer
    x = 97,287,596.28

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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.