Home / 79,152,087.40-118,728,131.10-38,841,303.40

Finding the Fourth Proportional to 79,152,087.40, 118,728,131.10 and 38,841,303.40

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Solution

The fourth proportional to 79,152,087.40, 118,728,131.10 and 38,841,303.40 is: 58,261,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152,087.40 : 118,728,131.10 = 38,841,303.40 : x
  2. Step 2: Convert to fraction form
    79,152,087.40/118,728,131.10 = 38,841,303.40/x
  3. Step 3: Cross multiply
    79,152,087.40x = 118,728,131.10 × 38,841,303.40
  4. Step 4: Simplify right side
    79,152,087.40x = 4,611,555,362,170,075
  5. Step 5: Solve for x
    x = 4,611,555,362,170,075/79,152,087.40
  6. Step 6: Final answer
    x = 58,261,955.10

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1.5x scale

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.