Home / 217,049,855.34-299,528,731.63-119,271,009.90

Finding the Fourth Proportional to 217,049,855.34, 299,528,731.63 and 119,271,009.90

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Solution

The fourth proportional to 217,049,855.34, 299,528,731.63 and 119,271,009.90 is: 164,593,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049,855.34 : 299,528,731.63 = 119,271,009.90 : x
  2. Step 2: Convert to fraction form
    217,049,855.34/299,528,731.63 = 119,271,009.90/x
  3. Step 3: Cross multiply
    217,049,855.34x = 299,528,731.63 × 119,271,009.90
  4. Step 4: Simplify right side
    217,049,855.34x = 35,725,094,315,576,176
  5. Step 5: Solve for x
    x = 35,725,094,315,576,176/217,049,855.34
  6. Step 6: Final answer
    x = 164,593,955.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.