Finding the Fourth Proportional to 93,312,078.10, 139,968,117.15 and 67,632,615.70
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Solution
The fourth proportional to 93,312,078.10, 139,968,117.15 and 67,632,615.70 is: 101,448,923.55
Step by Step Solution
- Step 1: Write the proportion equation
93,312,078.10 : 139,968,117.15 = 67,632,615.70 : x - Step 2: Convert to fraction form
93,312,078.10/139,968,117.15 = 67,632,615.70/x - Step 3: Cross multiply
93,312,078.10x = 139,968,117.15 × 67,632,615.70 - Step 4: Simplify right side
93,312,078.10x = 9,466,409,877,458,530 - Step 5: Solve for x
x = 9,466,409,877,458,530/93,312,078.10 - Step 6: Final answer
x = 101,448,923.55
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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.