Home / 76,477,677.63-105,539,210.31-41,670,368.07

Finding the Fourth Proportional to 76,477,677.63, 105,539,210.31 and 41,670,368.07

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Solution

The fourth proportional to 76,477,677.63, 105,539,210.31 and 41,670,368.07 is: 57,505,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,677.63 : 105,539,210.31 = 41,670,368.07 : x
  2. Step 2: Convert to fraction form
    76,477,677.63/105,539,210.31 = 41,670,368.07/x
  3. Step 3: Cross multiply
    76,477,677.63x = 105,539,210.31 × 41,670,368.07
  4. Step 4: Simplify right side
    76,477,677.63x = 4,397,857,739,434,839
  5. Step 5: Solve for x
    x = 4,397,857,739,434,839/76,477,677.63
  6. Step 6: Final answer
    x = 57,505,116.21

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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.