Home / 123,927,602.40-185,891,403.60-74,609,877.60

Finding the Fourth Proportional to 123,927,602.40, 185,891,403.60 and 74,609,877.60

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Solution

The fourth proportional to 123,927,602.40, 185,891,403.60 and 74,609,877.60 is: 111,914,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927,602.40 : 185,891,403.60 = 74,609,877.60 : x
  2. Step 2: Convert to fraction form
    123,927,602.40/185,891,403.60 = 74,609,877.60/x
  3. Step 3: Cross multiply
    123,927,602.40x = 185,891,403.60 × 74,609,877.60
  4. Step 4: Simplify right side
    123,927,602.40x = 13,869,334,869,488,198
  5. Step 5: Solve for x
    x = 13,869,334,869,488,198/123,927,602.40
  6. Step 6: Final answer
    x = 111,914,816.40

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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.