Home / 103,129,021,023.66-154,693,495,125.90-27,580,208,172.21

Finding the Fourth Proportional to 103,129,021,023.66, 154,693,495,125.90 and 27,580,208,172.21

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Solution

The fourth proportional to 103,129,021,023.66, 154,693,495,125.90 and 27,580,208,172.21 is: 41,370,302,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,129,021,023.66 : 154,693,495,125.90 = 27,580,208,172.21 : x
  2. Step 2: Convert to fraction form
    103,129,021,023.66/154,693,495,125.90 = 27,580,208,172.21/x
  3. Step 3: Cross multiply
    103,129,021,023.66x = 154,693,495,125.90 × 27,580,208,172.21
  4. Step 4: Simplify right side
    103,129,021,023.66x = 4,266,478,798,459,074,772,992
  5. Step 5: Solve for x
    x = 4,266,478,798,459,074,772,992/103,129,021,023.66
  6. Step 6: Final answer
    x = 41,370,302,521.15

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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.