Home / 191,442,358.61-264,312,637.58-156,244,246.31

Finding the Fourth Proportional to 191,442,358.61, 264,312,637.58 and 156,244,246.31

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Solution

The fourth proportional to 191,442,358.61, 264,312,637.58 and 156,244,246.31 is: 215,716,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,442,358.61 : 264,312,637.58 = 156,244,246.31 : x
  2. Step 2: Convert to fraction form
    191,442,358.61/264,312,637.58 = 156,244,246.31/x
  3. Step 3: Cross multiply
    191,442,358.61x = 264,312,637.58 × 156,244,246.31
  4. Step 4: Simplify right side
    191,442,358.61x = 41,297,328,849,946,680
  5. Step 5: Solve for x
    x = 41,297,328,849,946,680/191,442,358.61
  6. Step 6: Final answer
    x = 215,716,778.41

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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.