Finding the Fourth Proportional to 70,902,073.81, 97,844,767.14 and 38,307,025.81
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Solution
The fourth proportional to 70,902,073.81, 97,844,767.14 and 38,307,025.81 is: 52,863,644.44
Step by Step Solution
- Step 1: Write the proportion equation
70,902,073.81 : 97,844,767.14 = 38,307,025.81 : x - Step 2: Convert to fraction form
70,902,073.81/97,844,767.14 = 38,307,025.81/x - Step 3: Cross multiply
70,902,073.81x = 97,844,767.14 × 38,307,025.81 - Step 4: Simplify right side
70,902,073.81x = 3,748,142,020,205,420 - Step 5: Solve for x
x = 3,748,142,020,205,420/70,902,073.81 - Step 6: Final answer
x = 52,863,644.44
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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.