Home / 302,670,363.60-454,005,545.40-84,354,400.80

Finding the Fourth Proportional to 302,670,363.60, 454,005,545.40 and 84,354,400.80

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Solution

The fourth proportional to 302,670,363.60, 454,005,545.40 and 84,354,400.80 is: 126,531,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,670,363.60 : 454,005,545.40 = 84,354,400.80 : x
  2. Step 2: Convert to fraction form
    302,670,363.60/454,005,545.40 = 84,354,400.80/x
  3. Step 3: Cross multiply
    302,670,363.60x = 454,005,545.40 × 84,354,400.80
  4. Step 4: Simplify right side
    302,670,363.60x = 38,297,365,742,094,192
  5. Step 5: Solve for x
    x = 38,297,365,742,094,192/302,670,363.60
  6. Step 6: Final answer
    x = 126,531,601.20

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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.