Home / 66,580,068.62-99,870,102.93-18,711,012.62

Finding the Fourth Proportional to 66,580,068.62, 99,870,102.93 and 18,711,012.62

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Solution

The fourth proportional to 66,580,068.62, 99,870,102.93 and 18,711,012.62 is: 28,066,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,068.62 : 99,870,102.93 = 18,711,012.62 : x
  2. Step 2: Convert to fraction form
    66,580,068.62/99,870,102.93 = 18,711,012.62/x
  3. Step 3: Cross multiply
    66,580,068.62x = 99,870,102.93 × 18,711,012.62
  4. Step 4: Simplify right side
    66,580,068.62x = 1,868,670,756,283,929.25
  5. Step 5: Solve for x
    x = 1,868,670,756,283,929.25/66,580,068.62
  6. Step 6: Final answer
    x = 28,066,518.93

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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.