Finding the Fourth Proportional to 93,312,108.90, 139,968,163.35 and 74,038,515.30
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Solution
The fourth proportional to 93,312,108.90, 139,968,163.35 and 74,038,515.30 is: 111,057,772.95
Step by Step Solution
- Step 1: Write the proportion equation
93,312,108.90 : 139,968,163.35 = 74,038,515.30 : x - Step 2: Convert to fraction form
93,312,108.90/139,968,163.35 = 74,038,515.30/x - Step 3: Cross multiply
93,312,108.90x = 139,968,163.35 × 74,038,515.30 - Step 4: Simplify right side
93,312,108.90x = 10,363,035,003,701,874 - Step 5: Solve for x
x = 10,363,035,003,701,874/93,312,108.90 - Step 6: Final answer
x = 111,057,772.95
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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.