Home / 70,580,349.39-97,408,471.69-42,718,392.69

Finding the Fourth Proportional to 70,580,349.39, 97,408,471.69 and 42,718,392.69

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Solution

The fourth proportional to 70,580,349.39, 97,408,471.69 and 42,718,392.69 is: 58,955,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580,349.39 : 97,408,471.69 = 42,718,392.69 : x
  2. Step 2: Convert to fraction form
    70,580,349.39/97,408,471.69 = 42,718,392.69/x
  3. Step 3: Cross multiply
    70,580,349.39x = 97,408,471.69 × 42,718,392.69
  4. Step 4: Simplify right side
    70,580,349.39x = 4,161,133,344,674,284
  5. Step 5: Solve for x
    x = 4,161,133,344,674,284/70,580,349.39
  6. Step 6: Final answer
    x = 58,955,975.43

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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.