Home / 160,295,648.88-221,208,416.36-86,956,790.88

Finding the Fourth Proportional to 160,295,648.88, 221,208,416.36 and 86,956,790.88

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Solution

The fourth proportional to 160,295,648.88, 221,208,416.36 and 86,956,790.88 is: 120,000,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,295,648.88 : 221,208,416.36 = 86,956,790.88 : x
  2. Step 2: Convert to fraction form
    160,295,648.88/221,208,416.36 = 86,956,790.88/x
  3. Step 3: Cross multiply
    160,295,648.88x = 221,208,416.36 × 86,956,790.88
  4. Step 4: Simplify right side
    160,295,648.88x = 19,235,574,002,312,492
  5. Step 5: Solve for x
    x = 19,235,574,002,312,492/160,295,648.88
  6. Step 6: Final answer
    x = 120,000,599.75

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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.