Home / 125,842,642.40-188,763,963.60-39,607,482.80

Finding the Fourth Proportional to 125,842,642.40, 188,763,963.60 and 39,607,482.80

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Solution

The fourth proportional to 125,842,642.40, 188,763,963.60 and 39,607,482.80 is: 59,411,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,842,642.40 : 188,763,963.60 = 39,607,482.80 : x
  2. Step 2: Convert to fraction form
    125,842,642.40/188,763,963.60 = 39,607,482.80/x
  3. Step 3: Cross multiply
    125,842,642.40x = 188,763,963.60 × 39,607,482.80
  4. Step 4: Simplify right side
    125,842,642.40x = 7,476,465,441,546,825
  5. Step 5: Solve for x
    x = 7,476,465,441,546,825/125,842,642.40
  6. Step 6: Final answer
    x = 59,411,224.20

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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.