Finding the Fourth Proportional to 88,358,793,931.68, 121,935,508,001.64 and 49,778,176,705.44
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Solution
The fourth proportional to 88,358,793,931.68, 121,935,508,001.64 and 49,778,176,705.44 is: 68,694,093,636.75
Step by Step Solution
- Step 1: Write the proportion equation
88,358,793,931.68 : 121,935,508,001.64 = 49,778,176,705.44 : x - Step 2: Convert to fraction form
88,358,793,931.68/121,935,508,001.64 = 49,778,176,705.44/x - Step 3: Cross multiply
88,358,793,931.68x = 121,935,508,001.64 × 49,778,176,705.44 - Step 4: Simplify right side
88,358,793,931.68x = 6,069,727,263,973,229,723,648 - Step 5: Solve for x
x = 6,069,727,263,973,229,723,648/88,358,793,931.68 - Step 6: Final answer
x = 68,694,093,636.75
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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.