Home / 121,274,496,048.45-181,911,744,072.67-42,731,172,912.45

Finding the Fourth Proportional to 121,274,496,048.45, 181,911,744,072.67 and 42,731,172,912.45

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Solution

The fourth proportional to 121,274,496,048.45, 181,911,744,072.67 and 42,731,172,912.45 is: 64,096,759,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274,496,048.45 : 181,911,744,072.67 = 42,731,172,912.45 : x
  2. Step 2: Convert to fraction form
    121,274,496,048.45/181,911,744,072.67 = 42,731,172,912.45/x
  3. Step 3: Cross multiply
    121,274,496,048.45x = 181,911,744,072.67 × 42,731,172,912.45
  4. Step 4: Simplify right side
    121,274,496,048.45x = 7,773,302,190,774,613,442,560
  5. Step 5: Solve for x
    x = 7,773,302,190,774,613,442,560/121,274,496,048.45
  6. Step 6: Final answer
    x = 64,096,759,368.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.