Finding the Fourth Proportional to 97,299,579,030.39, 145,896,163,370.82 and 77,259,734,728.65
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Solution
The fourth proportional to 97,299,579,030.39, 145,896,163,370.82 and 77,259,734,728.65 is: 115,847,355,068.58
Step by Step Solution
- Step 1: Write the proportion equation
97,299,579,030.39 : 145,896,163,370.82 = 77,259,734,728.65 : x - Step 2: Convert to fraction form
97,299,579,030.39/145,896,163,370.82 = 77,259,734,728.65/x - Step 3: Cross multiply
97,299,579,030.39x = 145,896,163,370.82 × 77,259,734,728.65 - Step 4: Simplify right side
97,299,579,030.39x = 11,271,898,879,957,336,588,288 - Step 5: Solve for x
x = 11,271,898,879,957,336,588,288/97,299,579,030.39 - Step 6: Final answer
x = 115,847,355,068.58
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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.