Home / 243,018,852.55-364,550,427.66-79,214,564.59

Finding the Fourth Proportional to 243,018,852.55, 364,550,427.66 and 79,214,564.59

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Solution

The fourth proportional to 243,018,852.55, 364,550,427.66 and 79,214,564.59 is: 118,829,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,018,852.55 : 364,550,427.66 = 79,214,564.59 : x
  2. Step 2: Convert to fraction form
    243,018,852.55/364,550,427.66 = 79,214,564.59/x
  3. Step 3: Cross multiply
    243,018,852.55x = 364,550,427.66 × 79,214,564.59
  4. Step 4: Simplify right side
    243,018,852.55x = 28,877,703,397,570,872
  5. Step 5: Solve for x
    x = 28,877,703,397,570,872/243,018,852.55
  6. Step 6: Final answer
    x = 118,829,066.53

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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.