Home / 272,247,075.84-408,141,066.24-118,780,569.60

Finding the Fourth Proportional to 272,247,075.84, 408,141,066.24 and 118,780,569.60

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Solution

The fourth proportional to 272,247,075.84, 408,141,066.24 and 118,780,569.60 is: 178,070,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,247,075.84 : 408,141,066.24 = 118,780,569.60 : x
  2. Step 2: Convert to fraction form
    272,247,075.84/408,141,066.24 = 118,780,569.60/x
  3. Step 3: Cross multiply
    272,247,075.84x = 408,141,066.24 × 118,780,569.60
  4. Step 4: Simplify right side
    272,247,075.84x = 48,479,228,325,138,528
  5. Step 5: Solve for x
    x = 48,479,228,325,138,528/272,247,075.84
  6. Step 6: Final answer
    x = 178,070,703.52

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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.