Home / 66,580,070.63-99,870,105.94-18,711,014.63

Finding the Fourth Proportional to 66,580,070.63, 99,870,105.94 and 18,711,014.63

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Solution

The fourth proportional to 66,580,070.63, 99,870,105.94 and 18,711,014.63 is: 28,066,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,070.63 : 99,870,105.94 = 18,711,014.63 : x
  2. Step 2: Convert to fraction form
    66,580,070.63/99,870,105.94 = 18,711,014.63/x
  3. Step 3: Cross multiply
    66,580,070.63x = 99,870,105.94 × 18,711,014.63
  4. Step 4: Simplify right side
    66,580,070.63x = 1,868,671,013,342,989.75
  5. Step 5: Solve for x
    x = 1,868,671,013,342,989.75/66,580,070.63
  6. Step 6: Final answer
    x = 28,066,521.94

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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.