Home / 267,620,384.16-368,628,018.93-189,169,063.74

Finding the Fourth Proportional to 267,620,384.16, 368,628,018.93 and 189,169,063.74

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Solution

The fourth proportional to 267,620,384.16, 368,628,018.93 and 189,169,063.74 is: 260,566,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,620,384.16 : 368,628,018.93 = 189,169,063.74 : x
  2. Step 2: Convert to fraction form
    267,620,384.16/368,628,018.93 = 189,169,063.74/x
  3. Step 3: Cross multiply
    267,620,384.16x = 368,628,018.93 × 189,169,063.74
  4. Step 4: Simplify right side
    267,620,384.16x = 69,733,017,209,319,104
  5. Step 5: Solve for x
    x = 69,733,017,209,319,104/267,620,384.16
  6. Step 6: Final answer
    x = 260,566,912.45

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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.