Home / 81,607,751.40-122,411,627.10-63,113,604.60

Finding the Fourth Proportional to 81,607,751.40, 122,411,627.10 and 63,113,604.60

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Solution

The fourth proportional to 81,607,751.40, 122,411,627.10 and 63,113,604.60 is: 94,670,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,607,751.40 : 122,411,627.10 = 63,113,604.60 : x
  2. Step 2: Convert to fraction form
    81,607,751.40/122,411,627.10 = 63,113,604.60/x
  3. Step 3: Cross multiply
    81,607,751.40x = 122,411,627.10 × 63,113,604.60
  4. Step 4: Simplify right side
    81,607,751.40x = 7,725,839,031,232,044
  5. Step 5: Solve for x
    x = 7,725,839,031,232,044/81,607,751.40
  6. Step 6: Final answer
    x = 94,670,406.90

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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.