Home / 291,197,899.52-436,460,926.08-109,329,079.04

Finding the Fourth Proportional to 291,197,899.52, 436,460,926.08 and 109,329,079.04

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Solution

The fourth proportional to 291,197,899.52, 436,460,926.08 and 109,329,079.04 is: 163,867,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,197,899.52 : 436,460,926.08 = 109,329,079.04 : x
  2. Step 2: Convert to fraction form
    291,197,899.52/436,460,926.08 = 109,329,079.04/x
  3. Step 3: Cross multiply
    291,197,899.52x = 436,460,926.08 × 109,329,079.04
  4. Step 4: Simplify right side
    291,197,899.52x = 47,717,871,085,271,920
  5. Step 5: Solve for x
    x = 47,717,871,085,271,920/291,197,899.52
  6. Step 6: Final answer
    x = 163,867,497.55

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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.