Home / 121,291,065.40-181,936,598.10-118,102,419.40

Finding the Fourth Proportional to 121,291,065.40, 181,936,598.10 and 118,102,419.40

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Solution

The fourth proportional to 121,291,065.40, 181,936,598.10 and 118,102,419.40 is: 177,153,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291,065.40 : 181,936,598.10 = 118,102,419.40 : x
  2. Step 2: Convert to fraction form
    121,291,065.40/181,936,598.10 = 118,102,419.40/x
  3. Step 3: Cross multiply
    121,291,065.40x = 181,936,598.10 × 118,102,419.40
  4. Step 4: Simplify right side
    121,291,065.40x = 21,487,152,413,015,444
  5. Step 5: Solve for x
    x = 21,487,152,413,015,444/121,291,065.40
  6. Step 6: Final answer
    x = 177,153,629.10

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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.