Home / 123,089,809.20-184,651,302.60-42,335,530.80

Finding the Fourth Proportional to 123,089,809.20, 184,651,302.60 and 42,335,530.80

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Solution

The fourth proportional to 123,089,809.20, 184,651,302.60 and 42,335,530.80 is: 63,509,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,089,809.20 : 184,651,302.60 = 42,335,530.80 : x
  2. Step 2: Convert to fraction form
    123,089,809.20/184,651,302.60 = 42,335,530.80/x
  3. Step 3: Cross multiply
    123,089,809.20x = 184,651,302.60 × 42,335,530.80
  4. Step 4: Simplify right side
    123,089,809.20x = 7,817,310,908,482,419
  5. Step 5: Solve for x
    x = 7,817,310,908,482,419/123,089,809.20
  6. Step 6: Final answer
    x = 63,509,001.75

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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.