Home / 199,473,621.40-299,210,432.10-122,946,117.40

Finding the Fourth Proportional to 199,473,621.40, 299,210,432.10 and 122,946,117.40

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Solution

The fourth proportional to 199,473,621.40, 299,210,432.10 and 122,946,117.40 is: 184,419,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,473,621.40 : 299,210,432.10 = 122,946,117.40 : x
  2. Step 2: Convert to fraction form
    199,473,621.40/299,210,432.10 = 122,946,117.40/x
  3. Step 3: Cross multiply
    199,473,621.40x = 299,210,432.10 × 122,946,117.40
  4. Step 4: Simplify right side
    199,473,621.40x = 36,786,760,912,271,336
  5. Step 5: Solve for x
    x = 36,786,760,912,271,336/199,473,621.40
  6. Step 6: Final answer
    x = 184,419,176.10

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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.