Home / 57,938,657.80-86,907,986.70-29,173,678.60

Finding the Fourth Proportional to 57,938,657.80, 86,907,986.70 and 29,173,678.60

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Solution

The fourth proportional to 57,938,657.80, 86,907,986.70 and 29,173,678.60 is: 43,760,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,938,657.80 : 86,907,986.70 = 29,173,678.60 : x
  2. Step 2: Convert to fraction form
    57,938,657.80/86,907,986.70 = 29,173,678.60/x
  3. Step 3: Cross multiply
    57,938,657.80x = 86,907,986.70 × 29,173,678.60
  4. Step 4: Simplify right side
    57,938,657.80x = 2,535,425,671,758,875
  5. Step 5: Solve for x
    x = 2,535,425,671,758,875/57,938,657.80
  6. Step 6: Final answer
    x = 43,760,517.90

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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.