Finding the Fourth Proportional to 70,467,342,981.68, 97,246,998,316.86 and 38,354,785,060.52
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Solution
The fourth proportional to 70,467,342,981.68, 97,246,998,316.86 and 38,354,785,060.52 is: 52,930,727,346.90
Step by Step Solution
- Step 1: Write the proportion equation
70,467,342,981.68 : 97,246,998,316.86 = 38,354,785,060.52 : x - Step 2: Convert to fraction form
70,467,342,981.68/97,246,998,316.86 = 38,354,785,060.52/x - Step 3: Cross multiply
70,467,342,981.68x = 97,246,998,316.86 × 38,354,785,060.52 - Step 4: Simplify right side
70,467,342,981.68x = 3,729,887,718,223,915,253,760 - Step 5: Solve for x
x = 3,729,887,718,223,915,253,760/70,467,342,981.68 - Step 6: Final answer
x = 52,930,727,346.90
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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.