Home / 98,611,700.32-136,088,152.19-54,557,981.67

Finding the Fourth Proportional to 98,611,700.32, 136,088,152.19 and 54,557,981.67

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Solution

The fourth proportional to 98,611,700.32, 136,088,152.19 and 54,557,981.67 is: 75,292,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,611,700.32 : 136,088,152.19 = 54,557,981.67 : x
  2. Step 2: Convert to fraction form
    98,611,700.32/136,088,152.19 = 54,557,981.67/x
  3. Step 3: Cross multiply
    98,611,700.32x = 136,088,152.19 × 54,557,981.67
  4. Step 4: Simplify right side
    98,611,700.32x = 7,424,694,912,686,190
  5. Step 5: Solve for x
    x = 7,424,694,912,686,190/98,611,700.32
  6. Step 6: Final answer
    x = 75,292,230.93

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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.