Home / 302,672,705.10-454,009,057.65-84,356,742.30

Finding the Fourth Proportional to 302,672,705.10, 454,009,057.65 and 84,356,742.30

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Solution

The fourth proportional to 302,672,705.10, 454,009,057.65 and 84,356,742.30 is: 126,535,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,672,705.10 : 454,009,057.65 = 84,356,742.30 : x
  2. Step 2: Convert to fraction form
    302,672,705.10/454,009,057.65 = 84,356,742.30/x
  3. Step 3: Cross multiply
    302,672,705.10x = 454,009,057.65 × 84,356,742.30
  4. Step 4: Simplify right side
    302,672,705.10x = 38,298,725,078,046,888
  5. Step 5: Solve for x
    x = 38,298,725,078,046,888/302,672,705.10
  6. Step 6: Final answer
    x = 126,535,113.45

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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.