Home / 79,113,742.20-118,670,613.30-46,802,129.40

Finding the Fourth Proportional to 79,113,742.20, 118,670,613.30 and 46,802,129.40

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Solution

The fourth proportional to 79,113,742.20, 118,670,613.30 and 46,802,129.40 is: 70,203,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,113,742.20 : 118,670,613.30 = 46,802,129.40 : x
  2. Step 2: Convert to fraction form
    79,113,742.20/118,670,613.30 = 46,802,129.40/x
  3. Step 3: Cross multiply
    79,113,742.20x = 118,670,613.30 × 46,802,129.40
  4. Step 4: Simplify right side
    79,113,742.20x = 5,554,037,399,643,961
  5. Step 5: Solve for x
    x = 5,554,037,399,643,961/79,113,742.20
  6. Step 6: Final answer
    x = 70,203,194.10

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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.