Home / 142,117,300,861.65-213,177,588,912.89-51,365,609,366.24

Finding the Fourth Proportional to 142,117,300,861.65, 213,177,588,912.89 and 51,365,609,366.24

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Solution

The fourth proportional to 142,117,300,861.65, 213,177,588,912.89 and 51,365,609,366.24 is: 77,049,005,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,300,861.65 : 213,177,588,912.89 = 51,365,609,366.24 : x
  2. Step 2: Convert to fraction form
    142,117,300,861.65/213,177,588,912.89 = 51,365,609,366.24/x
  3. Step 3: Cross multiply
    142,117,300,861.65x = 213,177,588,912.89 × 51,365,609,366.24
  4. Step 4: Simplify right side
    142,117,300,861.65x = 10,949,996,757,736,402,976,768
  5. Step 5: Solve for x
    x = 10,949,996,757,736,402,976,768/142,117,300,861.65
  6. Step 6: Final answer
    x = 77,049,005,936.27

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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.