Home / 112,273,158.69-155,088,605.34-84,605,011.38

Finding the Fourth Proportional to 112,273,158.69, 155,088,605.34 and 84,605,011.38

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Solution

The fourth proportional to 112,273,158.69, 155,088,605.34 and 84,605,011.38 is: 116,869,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273,158.69 : 155,088,605.34 = 84,605,011.38 : x
  2. Step 2: Convert to fraction form
    112,273,158.69/155,088,605.34 = 84,605,011.38/x
  3. Step 3: Cross multiply
    112,273,158.69x = 155,088,605.34 × 84,605,011.38
  4. Step 4: Simplify right side
    112,273,158.69x = 13,121,273,219,699,028
  5. Step 5: Solve for x
    x = 13,121,273,219,699,028/112,273,158.69
  6. Step 6: Final answer
    x = 116,869,190.93

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1.5x scale

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.