Home / 98,064,558.60-146,831,417.10-76,830,894.60

Finding the Fourth Proportional to 98,064,558.60, 146,831,417.10 and 76,830,894.60

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Solution

The fourth proportional to 98,064,558.60, 146,831,417.10 and 76,830,894.60 is: 115,038,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,064,558.60 : 146,831,417.10 = 76,830,894.60 : x
  2. Step 2: Convert to fraction form
    98,064,558.60/146,831,417.10 = 76,830,894.60/x
  3. Step 3: Cross multiply
    98,064,558.60x = 146,831,417.10 × 76,830,894.60
  4. Step 4: Simplify right side
    98,064,558.60x = 11,281,189,131,178,736
  5. Step 5: Solve for x
    x = 11,281,189,131,178,736/98,064,558.60
  6. Step 6: Final answer
    x = 115,038,391.98

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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.