Home / 118,938,210.85-178,582,449.39-66,518,584.30

Finding the Fourth Proportional to 118,938,210.85, 178,582,449.39 and 66,518,584.30

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Solution

The fourth proportional to 118,938,210.85, 178,582,449.39 and 66,518,584.30 is: 99,875,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,938,210.85 : 178,582,449.39 = 66,518,584.30 : x
  2. Step 2: Convert to fraction form
    118,938,210.85/178,582,449.39 = 66,518,584.30/x
  3. Step 3: Cross multiply
    118,938,210.85x = 178,582,449.39 × 66,518,584.30
  4. Step 4: Simplify right side
    118,938,210.85x = 11,879,051,714,249,198
  5. Step 5: Solve for x
    x = 11,879,051,714,249,198/118,938,210.85
  6. Step 6: Final answer
    x = 99,875,823.16

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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.