Home / 118,464,457.16-163,489,230.87-66,258,317.72

Finding the Fourth Proportional to 118,464,457.16, 163,489,230.87 and 66,258,317.72

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Solution

The fourth proportional to 118,464,457.16, 163,489,230.87 and 66,258,317.72 is: 91,441,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,464,457.16 : 163,489,230.87 = 66,258,317.72 : x
  2. Step 2: Convert to fraction form
    118,464,457.16/163,489,230.87 = 66,258,317.72/x
  3. Step 3: Cross multiply
    118,464,457.16x = 163,489,230.87 × 66,258,317.72
  4. Step 4: Simplify right side
    118,464,457.16x = 10,832,521,402,943,146
  5. Step 5: Solve for x
    x = 10,832,521,402,943,146/118,464,457.16
  6. Step 6: Final answer
    x = 91,441,109.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.