Home / 123,672,014.40-185,508,021.60-112,334,606.40

Finding the Fourth Proportional to 123,672,014.40, 185,508,021.60 and 112,334,606.40

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Solution

The fourth proportional to 123,672,014.40, 185,508,021.60 and 112,334,606.40 is: 168,501,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,672,014.40 : 185,508,021.60 = 112,334,606.40 : x
  2. Step 2: Convert to fraction form
    123,672,014.40/185,508,021.60 = 112,334,606.40/x
  3. Step 3: Cross multiply
    123,672,014.40x = 185,508,021.60 × 112,334,606.40
  4. Step 4: Simplify right side
    123,672,014.40x = 20,838,970,590,478,700
  5. Step 5: Solve for x
    x = 20,838,970,590,478,700/123,672,014.40
  6. Step 6: Final answer
    x = 168,501,909.60

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1.5x scale

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.