Finding the Fourth Proportional to 93,092,547.48, 128,548,951.20 and 58,344,966.60
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Solution
The fourth proportional to 93,092,547.48, 128,548,951.20 and 58,344,966.60 is: 80,566,967.68
Step by Step Solution
- Step 1: Write the proportion equation
93,092,547.48 : 128,548,951.20 = 58,344,966.60 : x - Step 2: Convert to fraction form
93,092,547.48/128,548,951.20 = 58,344,966.60/x - Step 3: Cross multiply
93,092,547.48x = 128,548,951.20 × 58,344,966.60 - Step 4: Simplify right side
93,092,547.48x = 7,500,184,264,229,030 - Step 5: Solve for x
x = 7,500,184,264,229,030/93,092,547.48 - Step 6: Final answer
x = 80,566,967.68
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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.