Finding the Fourth Proportional to 81,452,208,547.08, 122,178,312,820.62 and 81,452,208,547.08
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Solution
The fourth proportional to 81,452,208,547.08, 122,178,312,820.62 and 81,452,208,547.08 is: 122,178,312,820.62
Step by Step Solution
- Step 1: Write the proportion equation
81,452,208,547.08 : 122,178,312,820.62 = 81,452,208,547.08 : x - Step 2: Convert to fraction form
81,452,208,547.08/122,178,312,820.62 = 81,452,208,547.08/x - Step 3: Cross multiply
81,452,208,547.08x = 122,178,312,820.62 × 81,452,208,547.08 - Step 4: Simplify right side
81,452,208,547.08x = 9,951,693,415,795,518,341,120 - Step 5: Solve for x
x = 9,951,693,415,795,518,341,120/81,452,208,547.08 - Step 6: Final answer
x = 122,178,312,820.62
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1.5x scale
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.