Home / 216,387,400.98-298,621,835.01-118,602,507.54

Finding the Fourth Proportional to 216,387,400.98, 298,621,835.01 and 118,602,507.54

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Solution

The fourth proportional to 216,387,400.98, 298,621,835.01 and 118,602,507.54 is: 163,675,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,387,400.98 : 298,621,835.01 = 118,602,507.54 : x
  2. Step 2: Convert to fraction form
    216,387,400.98/298,621,835.01 = 118,602,507.54/x
  3. Step 3: Cross multiply
    216,387,400.98x = 298,621,835.01 × 118,602,507.54
  4. Step 4: Simplify right side
    216,387,400.98x = 35,417,298,438,382,160
  5. Step 5: Solve for x
    x = 35,417,298,438,382,160/216,387,400.98
  6. Step 6: Final answer
    x = 163,675,418.61

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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.