Home / 207,391,447.25-286,200,312.03-112,021,955.54

Finding the Fourth Proportional to 207,391,447.25, 286,200,312.03 and 112,021,955.54

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Solution

The fourth proportional to 207,391,447.25, 286,200,312.03 and 112,021,955.54 is: 154,590,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,391,447.25 : 286,200,312.03 = 112,021,955.54 : x
  2. Step 2: Convert to fraction form
    207,391,447.25/286,200,312.03 = 112,021,955.54/x
  3. Step 3: Cross multiply
    207,391,447.25x = 286,200,312.03 × 112,021,955.54
  4. Step 4: Simplify right side
    207,391,447.25x = 32,060,718,630,474,284
  5. Step 5: Solve for x
    x = 32,060,718,630,474,284/207,391,447.25
  6. Step 6: Final answer
    x = 154,590,360.67

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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.