Home / 258,685,037.55-356,989,116.52-147,173,478.35

Finding the Fourth Proportional to 258,685,037.55, 356,989,116.52 and 147,173,478.35

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Solution

The fourth proportional to 258,685,037.55, 356,989,116.52 and 147,173,478.35 is: 203,101,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,685,037.55 : 356,989,116.52 = 147,173,478.35 : x
  2. Step 2: Convert to fraction form
    258,685,037.55/356,989,116.52 = 147,173,478.35/x
  3. Step 3: Cross multiply
    258,685,037.55x = 356,989,116.52 × 147,173,478.35
  4. Step 4: Simplify right side
    258,685,037.55x = 52,539,330,009,740,872
  5. Step 5: Solve for x
    x = 52,539,330,009,740,872/258,685,037.55
  6. Step 6: Final answer
    x = 203,101,541.96

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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.