Home / 77,701,041.60-107,224,627.22-42,892,984.76

Finding the Fourth Proportional to 77,701,041.60, 107,224,627.22 and 42,892,984.76

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Solution

The fourth proportional to 77,701,041.60, 107,224,627.22 and 42,892,984.76 is: 59,190,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701,041.60 : 107,224,627.22 = 42,892,984.76 : x
  2. Step 2: Convert to fraction form
    77,701,041.60/107,224,627.22 = 42,892,984.76/x
  3. Step 3: Cross multiply
    77,701,041.60x = 107,224,627.22 × 42,892,984.76
  4. Step 4: Simplify right side
    77,701,041.60x = 4,599,184,301,244,141
  5. Step 5: Solve for x
    x = 4,599,184,301,244,141/77,701,041.60
  6. Step 6: Final answer
    x = 59,190,767.67

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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.