Home / 113,241,085,152.88-156,276,450,849.36-61,802,461,485.04

Finding the Fourth Proportional to 113,241,085,152.88, 156,276,450,849.36 and 61,802,461,485.04

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Solution

The fourth proportional to 113,241,085,152.88, 156,276,450,849.36 and 61,802,461,485.04 is: 85,289,445,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241,085,152.88 : 156,276,450,849.36 = 61,802,461,485.04 : x
  2. Step 2: Convert to fraction form
    113,241,085,152.88/156,276,450,849.36 = 61,802,461,485.04/x
  3. Step 3: Cross multiply
    113,241,085,152.88x = 156,276,450,849.36 × 61,802,461,485.04
  4. Step 4: Simplify right side
    113,241,085,152.88x = 9,658,269,334,636,316,327,936
  5. Step 5: Solve for x
    x = 9,658,269,334,636,316,327,936/113,241,085,152.88
  6. Step 6: Final answer
    x = 85,289,445,271.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.