Home / 216,072,415.74-298,179,948.28-118,287,271.74

Finding the Fourth Proportional to 216,072,415.74, 298,179,948.28 and 118,287,271.74

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Solution

The fourth proportional to 216,072,415.74, 298,179,948.28 and 118,287,271.74 is: 163,236,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072,415.74 : 298,179,948.28 = 118,287,271.74 : x
  2. Step 2: Convert to fraction form
    216,072,415.74/298,179,948.28 = 118,287,271.74/x
  3. Step 3: Cross multiply
    216,072,415.74x = 298,179,948.28 × 118,287,271.74
  4. Step 4: Simplify right side
    216,072,415.74x = 35,270,892,569,615,500
  5. Step 5: Solve for x
    x = 35,270,892,569,615,500/216,072,415.74
  6. Step 6: Final answer
    x = 163,236,442.97

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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.