Home / 61,205,621.70-91,808,432.55-57,698,111.10

Finding the Fourth Proportional to 61,205,621.70, 91,808,432.55 and 57,698,111.10

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Solution

The fourth proportional to 61,205,621.70, 91,808,432.55 and 57,698,111.10 is: 86,547,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,621.70 : 91,808,432.55 = 57,698,111.10 : x
  2. Step 2: Convert to fraction form
    61,205,621.70/91,808,432.55 = 57,698,111.10/x
  3. Step 3: Cross multiply
    61,205,621.70x = 91,808,432.55 × 57,698,111.10
  4. Step 4: Simplify right side
    61,205,621.70x = 5,297,173,141,186,756
  5. Step 5: Solve for x
    x = 5,297,173,141,186,756/61,205,621.70
  6. Step 6: Final answer
    x = 86,547,166.65

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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.