Finding the Fourth Proportional to 147,492,068.20, 221,238,102.30 and 101,575,565.80
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Solution
The fourth proportional to 147,492,068.20, 221,238,102.30 and 101,575,565.80 is: 152,363,348.70
Step by Step Solution
- Step 1: Write the proportion equation
147,492,068.20 : 221,238,102.30 = 101,575,565.80 : x - Step 2: Convert to fraction form
147,492,068.20/221,238,102.30 = 101,575,565.80/x - Step 3: Cross multiply
147,492,068.20x = 221,238,102.30 × 101,575,565.80 - Step 4: Simplify right side
147,492,068.20x = 22,472,385,417,640,780 - Step 5: Solve for x
x = 22,472,385,417,640,780/147,492,068.20 - Step 6: Final answer
x = 152,363,348.70
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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.