Finding the Fourth Proportional to 70,463,688.84, 97,239,691.53 and 39,106,471.95
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Solution
The fourth proportional to 70,463,688.84, 97,239,691.53 and 39,106,471.95 is: 53,966,820.81
Step by Step Solution
- Step 1: Write the proportion equation
70,463,688.84 : 97,239,691.53 = 39,106,471.95 : x - Step 2: Convert to fraction form
70,463,688.84/97,239,691.53 = 39,106,471.95/x - Step 3: Cross multiply
70,463,688.84x = 97,239,691.53 × 39,106,471.95 - Step 4: Simplify right side
70,463,688.84x = 3,802,701,269,244,598 - Step 5: Solve for x
x = 3,802,701,269,244,598/70,463,688.84 - Step 6: Final answer
x = 53,966,820.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.