Home / 216,607,163.32-298,900,117.74-118,822,019.32

Finding the Fourth Proportional to 216,607,163.32, 298,900,117.74 and 118,822,019.32

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Solution

The fourth proportional to 216,607,163.32, 298,900,117.74 and 118,822,019.32 is: 163,964,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,607,163.32 : 298,900,117.74 = 118,822,019.32 : x
  2. Step 2: Convert to fraction form
    216,607,163.32/298,900,117.74 = 118,822,019.32/x
  3. Step 3: Cross multiply
    216,607,163.32x = 298,900,117.74 × 118,822,019.32
  4. Step 4: Simplify right side
    216,607,163.32x = 35,515,915,564,852,552
  5. Step 5: Solve for x
    x = 35,515,915,564,852,552/216,607,163.32
  6. Step 6: Final answer
    x = 163,964,640.04

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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.