Finding the Fourth Proportional to 219,929,776,781.09, 329,716,639,913.09 and 68,758,264,139.10
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Solution
The fourth proportional to 219,929,776,781.09, 329,716,639,913.09 and 68,758,264,139.10 is: 103,081,738,862.34
Step by Step Solution
- Step 1: Write the proportion equation
219,929,776,781.09 : 329,716,639,913.09 = 68,758,264,139.10 : x - Step 2: Convert to fraction form
219,929,776,781.09/329,716,639,913.09 = 68,758,264,139.10/x - Step 3: Cross multiply
219,929,776,781.09x = 329,716,639,913.09 × 68,758,264,139.10 - Step 4: Simplify right side
219,929,776,781.09x = 22,670,743,818,200,768,577,536 - Step 5: Solve for x
x = 22,670,743,818,200,768,577,536/219,929,776,781.09 - Step 6: Final answer
x = 103,081,738,862.34
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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.