Home / 201,111,148.80-301,638,729.60-64,810,310.40

Finding the Fourth Proportional to 201,111,148.80, 301,638,729.60 and 64,810,310.40

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Solution

The fourth proportional to 201,111,148.80, 301,638,729.60 and 64,810,310.40 is: 97,206,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,111,148.80 : 301,638,729.60 = 64,810,310.40 : x
  2. Step 2: Convert to fraction form
    201,111,148.80/301,638,729.60 = 64,810,310.40/x
  3. Step 3: Cross multiply
    201,111,148.80x = 301,638,729.60 × 64,810,310.40
  4. Step 4: Simplify right side
    201,111,148.80x = 19,549,299,694,037,668
  5. Step 5: Solve for x
    x = 19,549,299,694,037,668/201,111,148.80
  6. Step 6: Final answer
    x = 97,206,444.35

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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.