Finding the Fourth Proportional to 124,836,603.84, 172,281,206.88 and 69,829,179.84
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Solution
The fourth proportional to 124,836,603.84, 172,281,206.88 and 69,829,179.84 is: 96,368,012.33
Step by Step Solution
- Step 1: Write the proportion equation
124,836,603.84 : 172,281,206.88 = 69,829,179.84 : x - Step 2: Convert to fraction form
124,836,603.84/172,281,206.88 = 69,829,179.84/x - Step 3: Cross multiply
124,836,603.84x = 172,281,206.88 × 69,829,179.84 - Step 4: Simplify right side
124,836,603.84x = 12,030,255,378,275,766 - Step 5: Solve for x
x = 12,030,255,378,275,766/124,836,603.84 - Step 6: Final answer
x = 96,368,012.33
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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.