Home / 168,966,027.70-253,386,055.95-66,708,906.10

Finding the Fourth Proportional to 168,966,027.70, 253,386,055.95 and 66,708,906.10

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Solution

The fourth proportional to 168,966,027.70, 253,386,055.95 and 66,708,906.10 is: 100,038,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,966,027.70 : 253,386,055.95 = 66,708,906.10 : x
  2. Step 2: Convert to fraction form
    168,966,027.70/253,386,055.95 = 66,708,906.10/x
  3. Step 3: Cross multiply
    168,966,027.70x = 253,386,055.95 × 66,708,906.10
  4. Step 4: Simplify right side
    168,966,027.70x = 16,903,106,613,417,896
  5. Step 5: Solve for x
    x = 16,903,106,613,417,896/168,966,027.70
  6. Step 6: Final answer
    x = 100,038,492.02

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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.