Home / 217,049,847.84-299,528,721.28-119,271,002.40

Finding the Fourth Proportional to 217,049,847.84, 299,528,721.28 and 119,271,002.40

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Solution

The fourth proportional to 217,049,847.84, 299,528,721.28 and 119,271,002.40 is: 164,593,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049,847.84 : 299,528,721.28 = 119,271,002.40 : x
  2. Step 2: Convert to fraction form
    217,049,847.84/299,528,721.28 = 119,271,002.40/x
  3. Step 3: Cross multiply
    217,049,847.84x = 299,528,721.28 × 119,271,002.40
  4. Step 4: Simplify right side
    217,049,847.84x = 35,725,090,834,655,808
  5. Step 5: Solve for x
    x = 35,725,090,834,655,808/217,049,847.84
  6. Step 6: Final answer
    x = 164,593,945.54

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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.