Finding the Fourth Proportional to 221,097,634.42, 331,688,960.11 and 84,772,385.78
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Solution
The fourth proportional to 221,097,634.42, 331,688,960.11 and 84,772,385.78 is: 127,174,877.10
Step by Step Solution
- Step 1: Write the proportion equation
221,097,634.42 : 331,688,960.11 = 84,772,385.78 : x - Step 2: Convert to fraction form
221,097,634.42/331,688,960.11 = 84,772,385.78/x - Step 3: Cross multiply
221,097,634.42x = 331,688,960.11 × 84,772,385.78 - Step 4: Simplify right side
221,097,634.42x = 28,118,064,485,411,952 - Step 5: Solve for x
x = 28,118,064,485,411,952/221,097,634.42 - Step 6: Final answer
x = 127,174,877.10
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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.