Home / 76,477,081.60-105,537,038.64-41,670,059.68

Finding the Fourth Proportional to 76,477,081.60, 105,537,038.64 and 41,670,059.68

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Solution

The fourth proportional to 76,477,081.60, 105,537,038.64 and 41,670,059.68 is: 57,503,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,081.60 : 105,537,038.64 = 41,670,059.68 : x
  2. Step 2: Convert to fraction form
    76,477,081.60/105,537,038.64 = 41,670,059.68/x
  3. Step 3: Cross multiply
    76,477,081.60x = 105,537,038.64 × 41,670,059.68
  4. Step 4: Simplify right side
    76,477,081.60x = 4,397,734,698,579,266
  5. Step 5: Solve for x
    x = 4,397,734,698,579,266/76,477,081.60
  6. Step 6: Final answer
    x = 57,503,955.52

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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.