Finding the Fourth Proportional to 74,939,125,712.25, 112,396,626,767.61 and 21,867,698,497.53
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Solution
The fourth proportional to 74,939,125,712.25, 112,396,626,767.61 and 21,867,698,497.53 is: 32,798,028,038.53
Step by Step Solution
- Step 1: Write the proportion equation
74,939,125,712.25 : 112,396,626,767.61 = 21,867,698,497.53 : x - Step 2: Convert to fraction form
74,939,125,712.25/112,396,626,767.61 = 21,867,698,497.53/x - Step 3: Cross multiply
74,939,125,712.25x = 112,396,626,767.61 × 21,867,698,497.53 - Step 4: Simplify right side
74,939,125,712.25x = 2,457,855,546,293,505,490,944 - Step 5: Solve for x
x = 2,457,855,546,293,505,490,944/74,939,125,712.25 - Step 6: Final answer
x = 32,798,028,038.53
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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.