Finding the Fourth Proportional to 93,103,746.06, 128,463,512.12 and 53,943,138.18
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Solution
The fourth proportional to 93,103,746.06, 128,463,512.12 and 53,943,138.18 is: 74,430,141.41
Step by Step Solution
- Step 1: Write the proportion equation
93,103,746.06 : 128,463,512.12 = 53,943,138.18 : x - Step 2: Convert to fraction form
93,103,746.06/128,463,512.12 = 53,943,138.18/x - Step 3: Cross multiply
93,103,746.06x = 128,463,512.12 × 53,943,138.18 - Step 4: Simplify right side
93,103,746.06x = 6,929,724,985,377,265 - Step 5: Solve for x
x = 6,929,724,985,377,265/93,103,746.06 - Step 6: Final answer
x = 74,430,141.41
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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.