Home / 149,349,729.60-223,759,173.60-128,116,065.60

Finding the Fourth Proportional to 149,349,729.60, 223,759,173.60 and 128,116,065.60

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Solution

The fourth proportional to 149,349,729.60, 223,759,173.60 and 128,116,065.60 is: 191,946,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,349,729.60 : 223,759,173.60 = 128,116,065.60 : x
  2. Step 2: Convert to fraction form
    149,349,729.60/223,759,173.60 = 128,116,065.60/x
  3. Step 3: Cross multiply
    149,349,729.60x = 223,759,173.60 × 128,116,065.60
  4. Step 4: Simplify right side
    149,349,729.60x = 28,667,144,963,539,388
  5. Step 5: Solve for x
    x = 28,667,144,963,539,388/149,349,729.60
  6. Step 6: Final answer
    x = 191,946,413.56

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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.