Home / 106,808,752.40-160,213,128.60-66,497,968.40

Finding the Fourth Proportional to 106,808,752.40, 160,213,128.60 and 66,497,968.40

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Solution

The fourth proportional to 106,808,752.40, 160,213,128.60 and 66,497,968.40 is: 99,746,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,808,752.40 : 160,213,128.60 = 66,497,968.40 : x
  2. Step 2: Convert to fraction form
    106,808,752.40/160,213,128.60 = 66,497,968.40/x
  3. Step 3: Cross multiply
    106,808,752.40x = 160,213,128.60 × 66,497,968.40
  4. Step 4: Simplify right side
    106,808,752.40x = 10,653,847,562,907,936
  5. Step 5: Solve for x
    x = 10,653,847,562,907,936/106,808,752.40
  6. Step 6: Final answer
    x = 99,746,952.60

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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.