Finding the Fourth Proportional to 366,996,985.70, 550,495,478.55 and 148,751,881.70
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Solution
The fourth proportional to 366,996,985.70, 550,495,478.55 and 148,751,881.70 is: 223,127,822.55
Step by Step Solution
- Step 1: Write the proportion equation
366,996,985.70 : 550,495,478.55 = 148,751,881.70 : x - Step 2: Convert to fraction form
366,996,985.70/550,495,478.55 = 148,751,881.70/x - Step 3: Cross multiply
366,996,985.70x = 550,495,478.55 × 148,751,881.70 - Step 4: Simplify right side
366,996,985.70x = 81,887,238,301,654,480 - Step 5: Solve for x
x = 81,887,238,301,654,480/366,996,985.70 - Step 6: Final answer
x = 223,127,822.55
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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.