Home / 125,355,805.76-188,035,085.64-37,918,210.88

Finding the Fourth Proportional to 125,355,805.76, 188,035,085.64 and 37,918,210.88

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Solution

The fourth proportional to 125,355,805.76, 188,035,085.64 and 37,918,210.88 is: 56,877,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,805.76 : 188,035,085.64 = 37,918,210.88 : x
  2. Step 2: Convert to fraction form
    125,355,805.76/188,035,085.64 = 37,918,210.88/x
  3. Step 3: Cross multiply
    125,355,805.76x = 188,035,085.64 × 37,918,210.88
  4. Step 4: Simplify right side
    125,355,805.76x = 7,129,954,030,136,380
  5. Step 5: Solve for x
    x = 7,129,954,030,136,380/125,355,805.76
  6. Step 6: Final answer
    x = 56,877,732.84

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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.