Home / 228,023,510.38-341,946,838.67-78,429,529.12

Finding the Fourth Proportional to 228,023,510.38, 341,946,838.67 and 78,429,529.12

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Solution

The fourth proportional to 228,023,510.38, 341,946,838.67 and 78,429,529.12 is: 117,613,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,023,510.38 : 341,946,838.67 = 78,429,529.12 : x
  2. Step 2: Convert to fraction form
    228,023,510.38/341,946,838.67 = 78,429,529.12/x
  3. Step 3: Cross multiply
    228,023,510.38x = 341,946,838.67 × 78,429,529.12
  4. Step 4: Simplify right side
    228,023,510.38x = 26,818,729,541,290,104
  5. Step 5: Solve for x
    x = 26,818,729,541,290,104/228,023,510.38
  6. Step 6: Final answer
    x = 117,613,878.92

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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.