Home / 118,321,434.74-178,289,783.06-97,228,541.46

Finding the Fourth Proportional to 118,321,434.74, 178,289,783.06 and 97,228,541.46

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Solution

The fourth proportional to 118,321,434.74, 178,289,783.06 and 97,228,541.46 is: 146,506,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321,434.74 : 178,289,783.06 = 97,228,541.46 : x
  2. Step 2: Convert to fraction form
    118,321,434.74/178,289,783.06 = 97,228,541.46/x
  3. Step 3: Cross multiply
    118,321,434.74x = 178,289,783.06 × 97,228,541.46
  4. Step 4: Simplify right side
    118,321,434.74x = 17,334,855,564,143,614
  5. Step 5: Solve for x
    x = 17,334,855,564,143,614/118,321,434.74
  6. Step 6: Final answer
    x = 146,506,468.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.