Finding the Fourth Proportional to 93,053,534.91, 128,177,390.08 and 70,988,727.41
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Solution
The fourth proportional to 93,053,534.91, 128,177,390.08 and 70,988,727.41 is: 97,784,031.67
Step by Step Solution
- Step 1: Write the proportion equation
93,053,534.91 : 128,177,390.08 = 70,988,727.41 : x - Step 2: Convert to fraction form
93,053,534.91/128,177,390.08 = 70,988,727.41/x - Step 3: Cross multiply
93,053,534.91x = 128,177,390.08 × 70,988,727.41 - Step 4: Simplify right side
93,053,534.91x = 9,099,149,804,442,872 - Step 5: Solve for x
x = 9,099,149,804,442,872/93,053,534.91 - Step 6: Final answer
x = 97,784,031.67
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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.