Finding the Fourth Proportional to 93,282,505.74, 128,730,305.16 and 51,466,568.81
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Solution
The fourth proportional to 93,282,505.74, 128,730,305.16 and 51,466,568.81 is: 71,024,111.71
Step by Step Solution
- Step 1: Write the proportion equation
93,282,505.74 : 128,730,305.16 = 51,466,568.81 : x - Step 2: Convert to fraction form
93,282,505.74/128,730,305.16 = 51,466,568.81/x - Step 3: Cross multiply
93,282,505.74x = 128,730,305.16 × 51,466,568.81 - Step 4: Simplify right side
93,282,505.74x = 6,625,307,107,805,786 - Step 5: Solve for x
x = 6,625,307,107,805,786/93,282,505.74 - Step 6: Final answer
x = 71,024,111.71
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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.