Finding the Fourth Proportional to 93,312,157.20, 139,968,235.80 and 32,706,013.20
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Solution
The fourth proportional to 93,312,157.20, 139,968,235.80 and 32,706,013.20 is: 49,059,019.80
Step by Step Solution
- Step 1: Write the proportion equation
93,312,157.20 : 139,968,235.80 = 32,706,013.20 : x - Step 2: Convert to fraction form
93,312,157.20/139,968,235.80 = 32,706,013.20/x - Step 3: Cross multiply
93,312,157.20x = 139,968,235.80 × 32,706,013.20 - Step 4: Simplify right side
93,312,157.20x = 4,577,802,967,655,513 - Step 5: Solve for x
x = 4,577,802,967,655,513/93,312,157.20 - Step 6: Final answer
x = 49,059,019.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.