Finding the Fourth Proportional to 84,574,899,430.08, 126,918,239,025.30 and 39,819,195,394.34
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Solution
The fourth proportional to 84,574,899,430.08, 126,918,239,025.30 and 39,819,195,394.34 is: 59,755,106,927.82
Step by Step Solution
- Step 1: Write the proportion equation
84,574,899,430.08 : 126,918,239,025.30 = 39,819,195,394.34 : x - Step 2: Convert to fraction form
84,574,899,430.08/126,918,239,025.30 = 39,819,195,394.34/x - Step 3: Cross multiply
84,574,899,430.08x = 126,918,239,025.30 × 39,819,195,394.34 - Step 4: Simplify right side
84,574,899,430.08x = 5,053,782,158,853,968,756,736 - Step 5: Solve for x
x = 5,053,782,158,853,968,756,736/84,574,899,430.08 - Step 6: Final answer
x = 59,755,106,927.82
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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.