Home / 160,520,004.84-221,518,740.51-87,181,146.84

Finding the Fourth Proportional to 160,520,004.84, 221,518,740.51 and 87,181,146.84

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Solution

The fourth proportional to 160,520,004.84, 221,518,740.51 and 87,181,146.84 is: 120,310,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520,004.84 : 221,518,740.51 = 87,181,146.84 : x
  2. Step 2: Convert to fraction form
    160,520,004.84/221,518,740.51 = 87,181,146.84/x
  3. Step 3: Cross multiply
    160,520,004.84x = 221,518,740.51 × 87,181,146.84
  4. Step 4: Simplify right side
    160,520,004.84x = 19,312,257,844,214,168
  5. Step 5: Solve for x
    x = 19,312,257,844,214,168/160,520,004.84
  6. Step 6: Final answer
    x = 120,310,598.44

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1.5x scale

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.