Home / 126,417,436.10-174,470,219.97-71,416,835.54

Finding the Fourth Proportional to 126,417,436.10, 174,470,219.97 and 71,416,835.54

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Solution

The fourth proportional to 126,417,436.10, 174,470,219.97 and 71,416,835.54 is: 98,563,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,417,436.10 : 174,470,219.97 = 71,416,835.54 : x
  2. Step 2: Convert to fraction form
    126,417,436.10/174,470,219.97 = 71,416,835.54/x
  3. Step 3: Cross multiply
    126,417,436.10x = 174,470,219.97 × 71,416,835.54
  4. Step 4: Simplify right side
    126,417,436.10x = 12,460,111,006,225,114
  5. Step 5: Solve for x
    x = 12,460,111,006,225,114/126,417,436.10
  6. Step 6: Final answer
    x = 98,563,231.39

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1.5x scale

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.