Home / 215,867,864.16-323,824,476.24-70,312,769.28

Finding the Fourth Proportional to 215,867,864.16, 323,824,476.24 and 70,312,769.28

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Solution

The fourth proportional to 215,867,864.16, 323,824,476.24 and 70,312,769.28 is: 105,476,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,867,864.16 : 323,824,476.24 = 70,312,769.28 : x
  2. Step 2: Convert to fraction form
    215,867,864.16/323,824,476.24 = 70,312,769.28/x
  3. Step 3: Cross multiply
    215,867,864.16x = 323,824,476.24 × 70,312,769.28
  4. Step 4: Simplify right side
    215,867,864.16x = 22,768,995,685,079,964
  5. Step 5: Solve for x
    x = 22,768,995,685,079,964/215,867,864.16
  6. Step 6: Final answer
    x = 105,476,541.28

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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.