Home / 148,648,153.41-205,088,172.18-85,901,392.04

Finding the Fourth Proportional to 148,648,153.41, 205,088,172.18 and 85,901,392.04

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Solution

The fourth proportional to 148,648,153.41, 205,088,172.18 and 85,901,392.04 is: 118,517,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,648,153.41 : 205,088,172.18 = 85,901,392.04 : x
  2. Step 2: Convert to fraction form
    148,648,153.41/205,088,172.18 = 85,901,392.04/x
  3. Step 3: Cross multiply
    148,648,153.41x = 205,088,172.18 × 85,901,392.04
  4. Step 4: Simplify right side
    148,648,153.41x = 17,617,359,480,793,458
  5. Step 5: Solve for x
    x = 17,617,359,480,793,458/148,648,153.41
  6. Step 6: Final answer
    x = 118,517,176.81

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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.