Finding the Fourth Proportional to 125,495,098.47, 173,187,441.53 and 69,742,868.71
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Solution
The fourth proportional to 125,495,098.47, 173,187,441.53 and 69,742,868.71 is: 96,247,496.07
Step by Step Solution
- Step 1: Write the proportion equation
125,495,098.47 : 173,187,441.53 = 69,742,868.71 : x - Step 2: Convert to fraction form
125,495,098.47/173,187,441.53 = 69,742,868.71/x - Step 3: Cross multiply
125,495,098.47x = 173,187,441.53 × 69,742,868.71 - Step 4: Simplify right side
125,495,098.47x = 12,078,588,996,847,590 - Step 5: Solve for x
x = 12,078,588,996,847,590/125,495,098.47 - Step 6: Final answer
x = 96,247,496.07
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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.