Finding the Fourth Proportional to 93,312,115.80, 139,968,173.70 and 28,625,904.60
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Solution
The fourth proportional to 93,312,115.80, 139,968,173.70 and 28,625,904.60 is: 42,938,856.90
Step by Step Solution
- Step 1: Write the proportion equation
93,312,115.80 : 139,968,173.70 = 28,625,904.60 : x - Step 2: Convert to fraction form
93,312,115.80/139,968,173.70 = 28,625,904.60/x - Step 3: Cross multiply
93,312,115.80x = 139,968,173.70 × 28,625,904.60 - Step 4: Simplify right side
93,312,115.80x = 4,006,715,587,372,429 - Step 5: Solve for x
x = 4,006,715,587,372,429/93,312,115.80 - Step 6: Final answer
x = 42,938,856.90
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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.