Finding the Fourth Proportional to 93,388,664.07, 128,910,746.70 and 56,220,671.97
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Solution
The fourth proportional to 93,388,664.07, 128,910,746.70 and 56,220,671.97 is: 77,605,230.53
Step by Step Solution
- Step 1: Write the proportion equation
93,388,664.07 : 128,910,746.70 = 56,220,671.97 : x - Step 2: Convert to fraction form
93,388,664.07/128,910,746.70 = 56,220,671.97/x - Step 3: Cross multiply
93,388,664.07x = 128,910,746.70 × 56,220,671.97 - Step 4: Simplify right side
93,388,664.07x = 7,247,448,803,628,460 - Step 5: Solve for x
x = 7,247,448,803,628,460/93,388,664.07 - Step 6: Final answer
x = 77,605,230.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.