Finding the Fourth Proportional to 93,533,118.88, 129,078,422.80 and 51,149,170.08
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Solution
The fourth proportional to 93,533,118.88, 129,078,422.80 and 51,149,170.08 is: 70,587,341.47
Step by Step Solution
- Step 1: Write the proportion equation
93,533,118.88 : 129,078,422.80 = 51,149,170.08 : x - Step 2: Convert to fraction form
93,533,118.88/129,078,422.80 = 51,149,170.08/x - Step 3: Cross multiply
93,533,118.88x = 129,078,422.80 × 51,149,170.08 - Step 4: Simplify right side
93,533,118.88x = 6,602,254,201,455,349 - Step 5: Solve for x
x = 6,602,254,201,455,349/93,533,118.88 - Step 6: Final answer
x = 70,587,341.47
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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.