Home / 90,709,064.16-125,174,902.34-53,551,313.82

Finding the Fourth Proportional to 90,709,064.16, 125,174,902.34 and 53,551,313.82

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Solution

The fourth proportional to 90,709,064.16, 125,174,902.34 and 53,551,313.82 is: 73,898,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,709,064.16 : 125,174,902.34 = 53,551,313.82 : x
  2. Step 2: Convert to fraction form
    90,709,064.16/125,174,902.34 = 53,551,313.82/x
  3. Step 3: Cross multiply
    90,709,064.16x = 125,174,902.34 × 53,551,313.82
  4. Step 4: Simplify right side
    90,709,064.16x = 6,703,280,477,329,435
  5. Step 5: Solve for x
    x = 6,703,280,477,329,435/90,709,064.16
  6. Step 6: Final answer
    x = 73,898,684.10

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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.