Finding the Fourth Proportional to 71,912,919,246.04, 99,237,587,242.62 and 39,796,349,054.68
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Solution
The fourth proportional to 71,912,919,246.04, 99,237,587,242.62 and 39,796,349,054.68 is: 54,917,721,358.80
Step by Step Solution
- Step 1: Write the proportion equation
71,912,919,246.04 : 99,237,587,242.62 = 39,796,349,054.68 : x - Step 2: Convert to fraction form
71,912,919,246.04/99,237,587,242.62 = 39,796,349,054.68/x - Step 3: Cross multiply
71,912,919,246.04x = 99,237,587,242.62 × 39,796,349,054.68 - Step 4: Simplify right side
71,912,919,246.04x = 3,949,293,661,251,564,470,272 - Step 5: Solve for x
x = 3,949,293,661,251,564,470,272/71,912,919,246.04 - Step 6: Final answer
x = 54,917,721,358.80
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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.