Home / 302,328,021.20-453,492,031.80-97,876,763.60

Finding the Fourth Proportional to 302,328,021.20, 453,492,031.80 and 97,876,763.60

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Solution

The fourth proportional to 302,328,021.20, 453,492,031.80 and 97,876,763.60 is: 146,815,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,328,021.20 : 453,492,031.80 = 97,876,763.60 : x
  2. Step 2: Convert to fraction form
    302,328,021.20/453,492,031.80 = 97,876,763.60/x
  3. Step 3: Cross multiply
    302,328,021.20x = 453,492,031.80 × 97,876,763.60
  4. Step 4: Simplify right side
    302,328,021.20x = 44,386,332,390,972,280
  5. Step 5: Solve for x
    x = 44,386,332,390,972,280/302,328,021.20
  6. Step 6: Final answer
    x = 146,815,145.40

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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.