Finding the Fourth Proportional to 81,712,750,951.10, 112,763,283,214.06 and 45,583,754,600.68
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Solution
The fourth proportional to 81,712,750,951.10, 112,763,283,214.06 and 45,583,754,600.68 is: 62,905,406,685.82
Step by Step Solution
- Step 1: Write the proportion equation
81,712,750,951.10 : 112,763,283,214.06 = 45,583,754,600.68 : x - Step 2: Convert to fraction form
81,712,750,951.10/112,763,283,214.06 = 45,583,754,600.68/x - Step 3: Cross multiply
81,712,750,951.10x = 112,763,283,214.06 × 45,583,754,600.68 - Step 4: Simplify right side
81,712,750,951.10x = 5,140,173,829,996,351,062,016 - Step 5: Solve for x
x = 5,140,173,829,996,351,062,016/81,712,750,951.10 - Step 6: Final answer
x = 62,905,406,685.82
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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.