Home / 302,672,742.60-454,009,113.90-84,356,779.80

Finding the Fourth Proportional to 302,672,742.60, 454,009,113.90 and 84,356,779.80

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Solution

The fourth proportional to 302,672,742.60, 454,009,113.90 and 84,356,779.80 is: 126,535,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,672,742.60 : 454,009,113.90 = 84,356,779.80 : x
  2. Step 2: Convert to fraction form
    302,672,742.60/454,009,113.90 = 84,356,779.80/x
  3. Step 3: Cross multiply
    302,672,742.60x = 454,009,113.90 × 84,356,779.80
  4. Step 4: Simplify right side
    302,672,742.60x = 38,298,746,848,455,416
  5. Step 5: Solve for x
    x = 38,298,746,848,455,416/302,672,742.60
  6. Step 6: Final answer
    x = 126,535,169.70

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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.