Home / 147,812,977.15-221,741,512.47-54,432,768.67

Finding the Fourth Proportional to 147,812,977.15, 221,741,512.47 and 54,432,768.67

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Solution

The fourth proportional to 147,812,977.15, 221,741,512.47 and 54,432,768.67 is: 81,657,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,812,977.15 : 221,741,512.47 = 54,432,768.67 : x
  2. Step 2: Convert to fraction form
    147,812,977.15/221,741,512.47 = 54,432,768.67/x
  3. Step 3: Cross multiply
    147,812,977.15x = 221,741,512.47 × 54,432,768.67
  4. Step 4: Simplify right side
    147,812,977.15x = 12,070,004,452,888,484
  5. Step 5: Solve for x
    x = 12,070,004,452,888,484/147,812,977.15
  6. Step 6: Final answer
    x = 81,657,271.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.