Finding the Fourth Proportional to 112,365,987.84, 168,545,182.68 and 39,580,866.45
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Solution
The fourth proportional to 112,365,987.84, 168,545,182.68 and 39,580,866.45 is: 59,369,961.45
Step by Step Solution
- Step 1: Write the proportion equation
112,365,987.84 : 168,545,182.68 = 39,580,866.45 : x - Step 2: Convert to fraction form
112,365,987.84/168,545,182.68 = 39,580,866.45/x - Step 3: Cross multiply
112,365,987.84x = 168,545,182.68 × 39,580,866.45 - Step 4: Simplify right side
112,365,987.84x = 6,671,164,366,447,934 - Step 5: Solve for x
x = 6,671,164,366,447,934/112,365,987.84 - Step 6: Final answer
x = 59,369,961.45
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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.