Home / 191,617,854.12-264,432,378.87-109,111,638.87

Finding the Fourth Proportional to 191,617,854.12, 264,432,378.87 and 109,111,638.87

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Solution

The fourth proportional to 191,617,854.12, 264,432,378.87 and 109,111,638.87 is: 150,573,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,617,854.12 : 264,432,378.87 = 109,111,638.87 : x
  2. Step 2: Convert to fraction form
    191,617,854.12/264,432,378.87 = 109,111,638.87/x
  3. Step 3: Cross multiply
    191,617,854.12x = 264,432,378.87 × 109,111,638.87
  4. Step 4: Simplify right side
    191,617,854.12x = 28,852,650,228,798,460
  5. Step 5: Solve for x
    x = 28,852,650,228,798,460/191,617,854.12
  6. Step 6: Final answer
    x = 150,573,913.70

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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.