Finding the Fourth Proportional to 64,360,835.40, 96,545,918.70 and 38,746,691.40
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Solution
The fourth proportional to 64,360,835.40, 96,545,918.70 and 38,746,691.40 is: 58,122,845.90
Step by Step Solution
- Step 1: Write the proportion equation
64,360,835.40 : 96,545,918.70 = 38,746,691.40 : x - Step 2: Convert to fraction form
64,360,835.40/96,545,918.70 = 38,746,691.40/x - Step 3: Cross multiply
64,360,835.40x = 96,545,918.70 × 38,746,691.40 - Step 4: Simplify right side
64,360,835.40x = 3,740,834,917,798,389 - Step 5: Solve for x
x = 3,740,834,917,798,389/64,360,835.40 - Step 6: Final answer
x = 58,122,845.90
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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.