Home / 162,105,859.10-223,688,919.30-91,537,192.19

Finding the Fourth Proportional to 162,105,859.10, 223,688,919.30 and 91,537,192.19

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Solution

The fourth proportional to 162,105,859.10, 223,688,919.30 and 91,537,192.19 is: 126,311,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,105,859.10 : 223,688,919.30 = 91,537,192.19 : x
  2. Step 2: Convert to fraction form
    162,105,859.10/223,688,919.30 = 91,537,192.19/x
  3. Step 3: Cross multiply
    162,105,859.10x = 223,688,919.30 × 91,537,192.19
  4. Step 4: Simplify right side
    162,105,859.10x = 20,475,855,596,953,456
  5. Step 5: Solve for x
    x = 20,475,855,596,953,456/162,105,859.10
  6. Step 6: Final answer
    x = 126,311,631.86

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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.