Finding the Fourth Proportional to 242,666,887.80, 364,000,331.70 and 97,122,912.60
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Solution
The fourth proportional to 242,666,887.80, 364,000,331.70 and 97,122,912.60 is: 145,684,368.90
Step by Step Solution
- Step 1: Write the proportion equation
242,666,887.80 : 364,000,331.70 = 97,122,912.60 : x - Step 2: Convert to fraction form
242,666,887.80/364,000,331.70 = 97,122,912.60/x - Step 3: Cross multiply
242,666,887.80x = 364,000,331.70 × 97,122,912.60 - Step 4: Simplify right side
242,666,887.80x = 35,352,772,402,070,108 - Step 5: Solve for x
x = 35,352,772,402,070,108/242,666,887.80 - Step 6: Final answer
x = 145,684,368.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.