Home / 290,321,867.40-435,482,801.10-98,845,643.40

Finding the Fourth Proportional to 290,321,867.40, 435,482,801.10 and 98,845,643.40

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Solution

The fourth proportional to 290,321,867.40, 435,482,801.10 and 98,845,643.40 is: 148,268,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,321,867.40 : 435,482,801.10 = 98,845,643.40 : x
  2. Step 2: Convert to fraction form
    290,321,867.40/435,482,801.10 = 98,845,643.40/x
  3. Step 3: Cross multiply
    290,321,867.40x = 435,482,801.10 × 98,845,643.40
  4. Step 4: Simplify right side
    290,321,867.40x = 43,045,577,664,363,736
  5. Step 5: Solve for x
    x = 43,045,577,664,363,736/290,321,867.40
  6. Step 6: Final answer
    x = 148,268,465.10

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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.