Finding the Fourth Proportional to 114,742,487.55, 158,340,013.34 and 62,530,402.17
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Solution
The fourth proportional to 114,742,487.55, 158,340,013.34 and 62,530,402.17 is: 86,289,437.55
Step by Step Solution
- Step 1: Write the proportion equation
114,742,487.55 : 158,340,013.34 = 62,530,402.17 : x - Step 2: Convert to fraction form
114,742,487.55/158,340,013.34 = 62,530,402.17/x - Step 3: Cross multiply
114,742,487.55x = 158,340,013.34 × 62,530,402.17 - Step 4: Simplify right side
114,742,487.55x = 9,901,064,713,440,714 - Step 5: Solve for x
x = 9,901,064,713,440,714/114,742,487.55 - Step 6: Final answer
x = 86,289,437.55
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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.