Home / 302,429,964.30-453,644,946.45-87,019,212.30

Finding the Fourth Proportional to 302,429,964.30, 453,644,946.45 and 87,019,212.30

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Solution

The fourth proportional to 302,429,964.30, 453,644,946.45 and 87,019,212.30 is: 130,528,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429,964.30 : 453,644,946.45 = 87,019,212.30 : x
  2. Step 2: Convert to fraction form
    302,429,964.30/453,644,946.45 = 87,019,212.30/x
  3. Step 3: Cross multiply
    302,429,964.30x = 453,644,946.45 × 87,019,212.30
  4. Step 4: Simplify right side
    302,429,964.30x = 39,475,825,903,954,680
  5. Step 5: Solve for x
    x = 39,475,825,903,954,680/302,429,964.30
  6. Step 6: Final answer
    x = 130,528,818.45

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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.