Home / 78,046,354,388.74-117,046,820,300.99-30,228,698,670.36

Finding the Fourth Proportional to 78,046,354,388.74, 117,046,820,300.99 and 30,228,698,670.36

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Solution

The fourth proportional to 78,046,354,388.74, 117,046,820,300.99 and 30,228,698,670.36 is: 45,334,251,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,046,354,388.74 : 117,046,820,300.99 = 30,228,698,670.36 : x
  2. Step 2: Convert to fraction form
    78,046,354,388.74/117,046,820,300.99 = 30,228,698,670.36/x
  3. Step 3: Cross multiply
    78,046,354,388.74x = 117,046,820,300.99 × 30,228,698,670.36
  4. Step 4: Simplify right side
    78,046,354,388.74x = 3,538,173,061,202,402,344,960
  5. Step 5: Solve for x
    x = 3,538,173,061,202,402,344,960/78,046,354,388.74
  6. Step 6: Final answer
    x = 45,334,251,534.40

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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.