Home / 61,205,612.20-91,808,418.30-57,698,101.60

Finding the Fourth Proportional to 61,205,612.20, 91,808,418.30 and 57,698,101.60

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Solution

The fourth proportional to 61,205,612.20, 91,808,418.30 and 57,698,101.60 is: 86,547,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,612.20 : 91,808,418.30 = 57,698,101.60 : x
  2. Step 2: Convert to fraction form
    61,205,612.20/91,808,418.30 = 57,698,101.60/x
  3. Step 3: Cross multiply
    61,205,612.20x = 91,808,418.30 × 57,698,101.60
  4. Step 4: Simplify right side
    61,205,612.20x = 5,297,171,446,808,699
  5. Step 5: Solve for x
    x = 5,297,171,446,808,699/61,205,612.20
  6. Step 6: Final answer
    x = 86,547,152.40

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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.