Finding the Fourth Proportional to 302,195,139.20, 453,292,708.80 and 97,743,881.60
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Solution
The fourth proportional to 302,195,139.20, 453,292,708.80 and 97,743,881.60 is: 146,615,822.40
Step by Step Solution
- Step 1: Write the proportion equation
302,195,139.20 : 453,292,708.80 = 97,743,881.60 : x - Step 2: Convert to fraction form
302,195,139.20/453,292,708.80 = 97,743,881.60/x - Step 3: Cross multiply
302,195,139.20x = 453,292,708.80 × 97,743,881.60 - Step 4: Simplify right side
302,195,139.20x = 44,306,588,859,090,480 - Step 5: Solve for x
x = 44,306,588,859,090,480/302,195,139.20 - Step 6: Final answer
x = 146,615,822.40
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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.