Finding the Fourth Proportional to 156,536,553.60, 234,804,830.40 and 98,337,859.20
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Solution
The fourth proportional to 156,536,553.60, 234,804,830.40 and 98,337,859.20 is: 147,506,788.80
Step by Step Solution
- Step 1: Write the proportion equation
156,536,553.60 : 234,804,830.40 = 98,337,859.20 : x - Step 2: Convert to fraction form
156,536,553.60/234,804,830.40 = 98,337,859.20/x - Step 3: Cross multiply
156,536,553.60x = 234,804,830.40 × 98,337,859.20 - Step 4: Simplify right side
156,536,553.60x = 23,090,204,351,355,080 - Step 5: Solve for x
x = 23,090,204,351,355,080/156,536,553.60 - Step 6: Final answer
x = 147,506,788.80
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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.