Finding the Fourth Proportional to 70,365,139,205.42, 97,103,202,243.20 and 38,248,590,495.87
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Solution
The fourth proportional to 70,365,139,205.42, 97,103,202,243.20 and 38,248,590,495.87 is: 52,782,679,894.87
Step by Step Solution
- Step 1: Write the proportion equation
70,365,139,205.42 : 97,103,202,243.20 = 38,248,590,495.87 : x - Step 2: Convert to fraction form
70,365,139,205.42/97,103,202,243.20 = 38,248,590,495.87/x - Step 3: Cross multiply
70,365,139,205.42x = 97,103,202,243.20 × 38,248,590,495.87 - Step 4: Simplify right side
70,365,139,205.42x = 3,714,060,618,437,802,065,920 - Step 5: Solve for x
x = 3,714,060,618,437,802,065,920/70,365,139,205.42 - Step 6: Final answer
x = 52,782,679,894.87
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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.