Finding the Fourth Proportional to 86,582,139,526.76, 119,440,893,497.06 and 75,134,641,309.26
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Solution
The fourth proportional to 86,582,139,526.76, 119,440,893,497.06 and 75,134,641,309.26 is: 103,648,959,700.12
Step by Step Solution
- Step 1: Write the proportion equation
86,582,139,526.76 : 119,440,893,497.06 = 75,134,641,309.26 : x - Step 2: Convert to fraction form
86,582,139,526.76/119,440,893,497.06 = 75,134,641,309.26/x - Step 3: Cross multiply
86,582,139,526.76x = 119,440,893,497.06 × 75,134,641,309.26 - Step 4: Simplify right side
86,582,139,526.76x = 8,974,148,690,559,128,043,520 - Step 5: Solve for x
x = 8,974,148,690,559,128,043,520/86,582,139,526.76 - Step 6: Final answer
x = 103,648,959,700.12
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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.