Finding the Fourth Proportional to 118,236,887.68, 163,165,363.68 and 66,026,840.80
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Solution
The fourth proportional to 118,236,887.68, 163,165,363.68 and 66,026,840.80 is: 91,116,179.59
Step by Step Solution
- Step 1: Write the proportion equation
118,236,887.68 : 163,165,363.68 = 66,026,840.80 : x - Step 2: Convert to fraction form
118,236,887.68/163,165,363.68 = 66,026,840.80/x - Step 3: Cross multiply
118,236,887.68x = 163,165,363.68 × 66,026,840.80 - Step 4: Simplify right side
118,236,887.68x = 10,773,293,491,773,462 - Step 5: Solve for x
x = 10,773,293,491,773,462/118,236,887.68 - Step 6: Final answer
x = 91,116,179.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.