Home / 61,687,055.00-85,166,842.35-39,698,767.46

Finding the Fourth Proportional to 61,687,055.00, 85,166,842.35 and 39,698,767.46

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Solution

The fourth proportional to 61,687,055.00, 85,166,842.35 and 39,698,767.46 is: 54,809,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,687,055.00 : 85,166,842.35 = 39,698,767.46 : x
  2. Step 2: Convert to fraction form
    61,687,055.00/85,166,842.35 = 39,698,767.46/x
  3. Step 3: Cross multiply
    61,687,055.00x = 85,166,842.35 × 39,698,767.46
  4. Step 4: Simplify right side
    61,687,055.00x = 3,381,018,669,329,295.50
  5. Step 5: Solve for x
    x = 3,381,018,669,329,295.50/61,687,055.00
  6. Step 6: Final answer
    x = 54,809,208.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.