Finding the Fourth Proportional to 93,312,101.55, 139,968,152.33 and 64,212,754.35
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Solution
The fourth proportional to 93,312,101.55, 139,968,152.33 and 64,212,754.35 is: 96,319,131.53
Step by Step Solution
- Step 1: Write the proportion equation
93,312,101.55 : 139,968,152.33 = 64,212,754.35 : x - Step 2: Convert to fraction form
93,312,101.55/139,968,152.33 = 64,212,754.35/x - Step 3: Cross multiply
93,312,101.55x = 139,968,152.33 × 64,212,754.35 - Step 4: Simplify right side
93,312,101.55x = 8,987,740,582,068,606 - Step 5: Solve for x
x = 8,987,740,582,068,606/93,312,101.55 - Step 6: Final answer
x = 96,319,131.53
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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.