Home / 302,516,929.80-453,775,394.70-87,127,950.60

Finding the Fourth Proportional to 302,516,929.80, 453,775,394.70 and 87,127,950.60

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Solution

The fourth proportional to 302,516,929.80, 453,775,394.70 and 87,127,950.60 is: 130,691,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516,929.80 : 453,775,394.70 = 87,127,950.60 : x
  2. Step 2: Convert to fraction form
    302,516,929.80/453,775,394.70 = 87,127,950.60/x
  3. Step 3: Cross multiply
    302,516,929.80x = 453,775,394.70 × 87,127,950.60
  4. Step 4: Simplify right side
    302,516,929.80x = 39,536,520,172,917,096
  5. Step 5: Solve for x
    x = 39,536,520,172,917,096/302,516,929.80
  6. Step 6: Final answer
    x = 130,691,925.90

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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.