Finding the Fourth Proportional to 93,312,076.95, 139,968,115.43 and 47,878,464.15
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Solution
The fourth proportional to 93,312,076.95, 139,968,115.43 and 47,878,464.15 is: 71,817,696.23
Step by Step Solution
- Step 1: Write the proportion equation
93,312,076.95 : 139,968,115.43 = 47,878,464.15 : x - Step 2: Convert to fraction form
93,312,076.95/139,968,115.43 = 47,878,464.15/x - Step 3: Cross multiply
93,312,076.95x = 139,968,115.43 × 47,878,464.15 - Step 4: Simplify right side
93,312,076.95x = 6,701,458,396,518,925 - Step 5: Solve for x
x = 6,701,458,396,518,925/93,312,076.95 - Step 6: Final answer
x = 71,817,696.23
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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.