Finding the Fourth Proportional to 70,815,406.10, 97,722,968.60 and 40,644,869.00
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Solution
The fourth proportional to 70,815,406.10, 97,722,968.60 and 40,644,869.00 is: 56,088,603.81
Step by Step Solution
- Step 1: Write the proportion equation
70,815,406.10 : 97,722,968.60 = 40,644,869.00 : x - Step 2: Convert to fraction form
70,815,406.10/97,722,968.60 = 40,644,869.00/x - Step 3: Cross multiply
70,815,406.10x = 97,722,968.60 × 40,644,869.00 - Step 4: Simplify right side
70,815,406.10x = 3,971,937,256,346,274 - Step 5: Solve for x
x = 3,971,937,256,346,274/70,815,406.10 - Step 6: Final answer
x = 56,088,603.81
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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.