Home / 98,255,017.60-147,117,105.60-77,021,353.60

Finding the Fourth Proportional to 98,255,017.60, 147,117,105.60 and 77,021,353.60

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Solution

The fourth proportional to 98,255,017.60, 147,117,105.60 and 77,021,353.60 is: 115,323,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255,017.60 : 147,117,105.60 = 77,021,353.60 : x
  2. Step 2: Convert to fraction form
    98,255,017.60/147,117,105.60 = 77,021,353.60/x
  3. Step 3: Cross multiply
    98,255,017.60x = 147,117,105.60 × 77,021,353.60
  4. Step 4: Simplify right side
    98,255,017.60x = 11,331,158,611,026,138
  5. Step 5: Solve for x
    x = 11,331,158,611,026,138/98,255,017.60
  6. Step 6: Final answer
    x = 115,323,969.07

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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.