Home / 66,705,272.52-100,075,159.80-39,062,534.85

Finding the Fourth Proportional to 66,705,272.52, 100,075,159.80 and 39,062,534.85

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Solution

The fourth proportional to 66,705,272.52, 100,075,159.80 and 39,062,534.85 is: 58,603,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705,272.52 : 100,075,159.80 = 39,062,534.85 : x
  2. Step 2: Convert to fraction form
    66,705,272.52/100,075,159.80 = 39,062,534.85/x
  3. Step 3: Cross multiply
    66,705,272.52x = 100,075,159.80 × 39,062,534.85
  4. Step 4: Simplify right side
    66,705,272.52x = 3,909,189,417,306,819
  5. Step 5: Solve for x
    x = 3,909,189,417,306,819/66,705,272.52
  6. Step 6: Final answer
    x = 58,603,904.45

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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.