Finding the Fourth Proportional to 161,778,887.76, 242,283,133.58 and 103,305,445.32
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Solution
The fourth proportional to 161,778,887.76, 242,283,133.58 and 103,305,445.32 is: 154,712,196.10
Step by Step Solution
- Step 1: Write the proportion equation
161,778,887.76 : 242,283,133.58 = 103,305,445.32 : x - Step 2: Convert to fraction form
161,778,887.76/242,283,133.58 = 103,305,445.32/x - Step 3: Cross multiply
161,778,887.76x = 242,283,133.58 × 103,305,445.32 - Step 4: Simplify right side
161,778,887.76x = 25,029,167,007,490,416 - Step 5: Solve for x
x = 25,029,167,007,490,416/161,778,887.76 - Step 6: Final answer
x = 154,712,196.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.