Finding the Fourth Proportional to 315,157,001.91, 472,752,744.11 and 130,943,103.65
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Solution
The fourth proportional to 315,157,001.91, 472,752,744.11 and 130,943,103.65 is: 196,421,818.95
Step by Step Solution
- Step 1: Write the proportion equation
315,157,001.91 : 472,752,744.11 = 130,943,103.65 : x - Step 2: Convert to fraction form
315,157,001.91/472,752,744.11 = 130,943,103.65/x - Step 3: Cross multiply
315,157,001.91x = 472,752,744.11 × 130,943,103.65 - Step 4: Simplify right side
315,157,001.91x = 61,903,711,569,799,176 - Step 5: Solve for x
x = 61,903,711,569,799,176/315,157,001.91 - Step 6: Final answer
x = 196,421,818.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.