Home / 145,382,339.56-218,075,408.82-48,338,047.16

Finding the Fourth Proportional to 145,382,339.56, 218,075,408.82 and 48,338,047.16

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Solution

The fourth proportional to 145,382,339.56, 218,075,408.82 and 48,338,047.16 is: 72,507,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,382,339.56 : 218,075,408.82 = 48,338,047.16 : x
  2. Step 2: Convert to fraction form
    145,382,339.56/218,075,408.82 = 48,338,047.16/x
  3. Step 3: Cross multiply
    145,382,339.56x = 218,075,408.82 × 48,338,047.16
  4. Step 4: Simplify right side
    145,382,339.56x = 10,541,339,395,977,438
  5. Step 5: Solve for x
    x = 10,541,339,395,977,438/145,382,339.56
  6. Step 6: Final answer
    x = 72,507,702.30

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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.