Finding the Fourth Proportional to 93,312,088.05, 139,968,132.08 and 85,375,902.45
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Solution
The fourth proportional to 93,312,088.05, 139,968,132.08 and 85,375,902.45 is: 128,063,853.68
Step by Step Solution
- Step 1: Write the proportion equation
93,312,088.05 : 139,968,132.08 = 85,375,902.45 : x - Step 2: Convert to fraction form
93,312,088.05/139,968,132.08 = 85,375,902.45/x - Step 3: Cross multiply
93,312,088.05x = 139,968,132.08 × 85,375,902.45 - Step 4: Simplify right side
93,312,088.05x = 11,949,905,590,143,916 - Step 5: Solve for x
x = 11,949,905,590,143,916/93,312,088.05 - Step 6: Final answer
x = 128,063,853.68
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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.