Home / 90,709,062.66-125,174,900.27-53,551,312.32

Finding the Fourth Proportional to 90,709,062.66, 125,174,900.27 and 53,551,312.32

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Solution

The fourth proportional to 90,709,062.66, 125,174,900.27 and 53,551,312.32 is: 73,898,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,709,062.66 : 125,174,900.27 = 53,551,312.32 : x
  2. Step 2: Convert to fraction form
    90,709,062.66/125,174,900.27 = 53,551,312.32/x
  3. Step 3: Cross multiply
    90,709,062.66x = 125,174,900.27 × 53,551,312.32
  4. Step 4: Simplify right side
    90,709,062.66x = 6,703,280,178,715,866
  5. Step 5: Solve for x
    x = 6,703,280,178,715,866/90,709,062.66
  6. Step 6: Final answer
    x = 73,898,682.03

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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.