Home / 77,701,123.68-107,224,740.27-42,893,066.76

Finding the Fourth Proportional to 77,701,123.68, 107,224,740.27 and 42,893,066.76

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Solution

The fourth proportional to 77,701,123.68, 107,224,740.27 and 42,893,066.76 is: 59,190,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701,123.68 : 107,224,740.27 = 42,893,066.76 : x
  2. Step 2: Convert to fraction form
    77,701,123.68/107,224,740.27 = 42,893,066.76/x
  3. Step 3: Cross multiply
    77,701,123.68x = 107,224,740.27 × 42,893,066.76
  4. Step 4: Simplify right side
    77,701,123.68x = 4,599,197,942,724,770
  5. Step 5: Solve for x
    x = 4,599,197,942,724,770/77,701,123.68
  6. Step 6: Final answer
    x = 59,190,880.71

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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.