Finding the Fourth Proportional to 145,584,276.90, 218,376,415.35 and 134,498,811.30
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Solution
The fourth proportional to 145,584,276.90, 218,376,415.35 and 134,498,811.30 is: 201,748,216.95
Step by Step Solution
- Step 1: Write the proportion equation
145,584,276.90 : 218,376,415.35 = 134,498,811.30 : x - Step 2: Convert to fraction form
145,584,276.90/218,376,415.35 = 134,498,811.30/x - Step 3: Cross multiply
145,584,276.90x = 218,376,415.35 × 134,498,811.30 - Step 4: Simplify right side
145,584,276.90x = 29,371,368,280,530,076 - Step 5: Solve for x
x = 29,371,368,280,530,076/145,584,276.90 - Step 6: Final answer
x = 201,748,216.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.