Home / 66,705,390.53-100,075,335.75-39,062,652.76

Finding the Fourth Proportional to 66,705,390.53, 100,075,335.75 and 39,062,652.76

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Solution

The fourth proportional to 66,705,390.53, 100,075,335.75 and 39,062,652.76 is: 58,604,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705,390.53 : 100,075,335.75 = 39,062,652.76 : x
  2. Step 2: Convert to fraction form
    66,705,390.53/100,075,335.75 = 39,062,652.76/x
  3. Step 3: Cross multiply
    66,705,390.53x = 100,075,335.75 × 39,062,652.76
  4. Step 4: Simplify right side
    66,705,390.53x = 3,909,208,090,242,664
  5. Step 5: Solve for x
    x = 3,909,208,090,242,664/66,705,390.53
  6. Step 6: Final answer
    x = 58,604,080.71

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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.