Home / 85,999,075.40-120,738,827.80-85,999,075.40

Finding the Fourth Proportional to 85,999,075.40, 120,738,827.80 and 85,999,075.40

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Solution

The fourth proportional to 85,999,075.40, 120,738,827.80 and 85,999,075.40 is: 120,738,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,999,075.40 : 120,738,827.80 = 85,999,075.40 : x
  2. Step 2: Convert to fraction form
    85,999,075.40/120,738,827.80 = 85,999,075.40/x
  3. Step 3: Cross multiply
    85,999,075.40x = 120,738,827.80 × 85,999,075.40
  4. Step 4: Simplify right side
    85,999,075.40x = 10,383,427,555,679,816
  5. Step 5: Solve for x
    x = 10,383,427,555,679,816/85,999,075.40
  6. Step 6: Final answer
    x = 120,738,827.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.