Finding the Fourth Proportional to 141,334,977,036.68, 195,042,900,949.26 and 77,105,506,712.12
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Solution
The fourth proportional to 141,334,977,036.68, 195,042,900,949.26 and 77,105,506,712.12 is: 106,405,944,399.68
Step by Step Solution
- Step 1: Write the proportion equation
141,334,977,036.68 : 195,042,900,949.26 = 77,105,506,712.12 : x - Step 2: Convert to fraction form
141,334,977,036.68/195,042,900,949.26 = 77,105,506,712.12/x - Step 3: Cross multiply
141,334,977,036.68x = 195,042,900,949.26 × 77,105,506,712.12 - Step 4: Simplify right side
141,334,977,036.68x = 15,038,881,708,294,522,535,936 - Step 5: Solve for x
x = 15,038,881,708,294,522,535,936/141,334,977,036.68 - Step 6: Final answer
x = 106,405,944,399.68
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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.