Home / 302,516,934.80-453,775,402.20-87,127,955.60

Finding the Fourth Proportional to 302,516,934.80, 453,775,402.20 and 87,127,955.60

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Solution

The fourth proportional to 302,516,934.80, 453,775,402.20 and 87,127,955.60 is: 130,691,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516,934.80 : 453,775,402.20 = 87,127,955.60 : x
  2. Step 2: Convert to fraction form
    302,516,934.80/453,775,402.20 = 87,127,955.60/x
  3. Step 3: Cross multiply
    302,516,934.80x = 453,775,402.20 × 87,127,955.60
  4. Step 4: Simplify right side
    302,516,934.80x = 39,536,523,095,253,736
  5. Step 5: Solve for x
    x = 39,536,523,095,253,736/302,516,934.80
  6. Step 6: Final answer
    x = 130,691,933.40

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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.