Home / 121,661,075.12-182,502,832.05-39,780,373.32

Finding the Fourth Proportional to 121,661,075.12, 182,502,832.05 and 39,780,373.32

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Solution

The fourth proportional to 121,661,075.12, 182,502,832.05 and 39,780,373.32 is: 59,674,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,661,075.12 : 182,502,832.05 = 39,780,373.32 : x
  2. Step 2: Convert to fraction form
    121,661,075.12/182,502,832.05 = 39,780,373.32/x
  3. Step 3: Cross multiply
    121,661,075.12x = 182,502,832.05 × 39,780,373.32
  4. Step 4: Simplify right side
    121,661,075.12x = 7,260,030,790,906,261
  5. Step 5: Solve for x
    x = 7,260,030,790,906,261/121,661,075.12
  6. Step 6: Final answer
    x = 59,674,228.46

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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.