Finding the Fourth Proportional to 147,559,018.08, 203,649,398.73 and 85,679,356.44
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Solution
The fourth proportional to 147,559,018.08, 203,649,398.73 and 85,679,356.44 is: 118,247,936.65
Step by Step Solution
- Step 1: Write the proportion equation
147,559,018.08 : 203,649,398.73 = 85,679,356.44 : x - Step 2: Convert to fraction form
147,559,018.08/203,649,398.73 = 85,679,356.44/x - Step 3: Cross multiply
147,559,018.08x = 203,649,398.73 × 85,679,356.44 - Step 4: Simplify right side
147,559,018.08x = 17,448,549,422,579,352 - Step 5: Solve for x
x = 17,448,549,422,579,352/147,559,018.08 - Step 6: Final answer
x = 118,247,936.65
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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.