Finding the Fourth Proportional to 93,135,940.17, 128,533,240.98 and 51,319,954.91
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Solution
The fourth proportional to 93,135,940.17, 128,533,240.98 and 51,319,954.91 is: 70,824,647.49
Step by Step Solution
- Step 1: Write the proportion equation
93,135,940.17 : 128,533,240.98 = 51,319,954.91 : x - Step 2: Convert to fraction form
93,135,940.17/128,533,240.98 = 51,319,954.91/x - Step 3: Cross multiply
93,135,940.17x = 128,533,240.98 × 51,319,954.91 - Step 4: Simplify right side
93,135,940.17x = 6,596,320,130,887,098 - Step 5: Solve for x
x = 6,596,320,130,887,098/93,135,940.17 - Step 6: Final answer
x = 70,824,647.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.