Home / 118,938,274.56-178,582,544.52-66,518,647.93

Finding the Fourth Proportional to 118,938,274.56, 178,582,544.52 and 66,518,647.93

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Solution

The fourth proportional to 118,938,274.56, 178,582,544.52 and 66,518,647.93 is: 99,875,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,938,274.56 : 178,582,544.52 = 66,518,647.93 : x
  2. Step 2: Convert to fraction form
    118,938,274.56/178,582,544.52 = 66,518,647.93/x
  3. Step 3: Cross multiply
    118,938,274.56x = 178,582,544.52 × 66,518,647.93
  4. Step 4: Simplify right side
    118,938,274.56x = 11,879,069,404,713,008
  5. Step 5: Solve for x
    x = 11,879,069,404,713,008/118,938,274.56
  6. Step 6: Final answer
    x = 99,875,918.40

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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.