Finding the Fourth Proportional to 112,118,163,187.68, 154,724,029,921.08 and 63,948,645,295.20
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Solution
The fourth proportional to 112,118,163,187.68, 154,724,029,921.08 and 63,948,645,295.20 is: 88,249,680,754.26
Step by Step Solution
- Step 1: Write the proportion equation
112,118,163,187.68 : 154,724,029,921.08 = 63,948,645,295.20 : x - Step 2: Convert to fraction form
112,118,163,187.68/154,724,029,921.08 = 63,948,645,295.20/x - Step 3: Cross multiply
112,118,163,187.68x = 154,724,029,921.08 × 63,948,645,295.20 - Step 4: Simplify right side
112,118,163,187.68x = 9,894,392,108,067,055,468,544 - Step 5: Solve for x
x = 9,894,392,108,067,055,468,544/112,118,163,187.68 - Step 6: Final answer
x = 88,249,680,754.26
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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.