Finding the Fourth Proportional to 93,089,794.47, 128,463,910.28 and 53,954,271.65
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Solution
The fourth proportional to 93,089,794.47, 128,463,910.28 and 53,954,271.65 is: 74,456,891.35
Step by Step Solution
- Step 1: Write the proportion equation
93,089,794.47 : 128,463,910.28 = 53,954,271.65 : x - Step 2: Convert to fraction form
93,089,794.47/128,463,910.28 = 53,954,271.65/x - Step 3: Cross multiply
93,089,794.47x = 128,463,910.28 × 53,954,271.65 - Step 4: Simplify right side
93,089,794.47x = 6,931,176,712,570,454 - Step 5: Solve for x
x = 6,931,176,712,570,454/93,089,794.47 - Step 6: Final answer
x = 74,456,891.35
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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.