Home / 245,521,088,316.49-338,815,496,041.29-137,135,767,325.67

Finding the Fourth Proportional to 245,521,088,316.49, 338,815,496,041.29 and 137,135,767,325.67

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Solution

The fourth proportional to 245,521,088,316.49, 338,815,496,041.29 and 137,135,767,325.67 is: 189,245,344,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521,088,316.49 : 338,815,496,041.29 = 137,135,767,325.67 : x
  2. Step 2: Convert to fraction form
    245,521,088,316.49/338,815,496,041.29 = 137,135,767,325.67/x
  3. Step 3: Cross multiply
    245,521,088,316.49x = 338,815,496,041.29 × 137,135,767,325.67
  4. Step 4: Simplify right side
    245,521,088,316.49x = 46,463,723,031,449,810,501,632
  5. Step 5: Solve for x
    x = 46,463,723,031,449,810,501,632/245,521,088,316.49
  6. Step 6: Final answer
    x = 189,245,344,870.56

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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.