Finding the Fourth Proportional to 125,341,788.94, 187,572,823.04 and 100,689,138.53
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Solution
The fourth proportional to 125,341,788.94, 187,572,823.04 and 100,689,138.53 is: 150,680,360.66
Step by Step Solution
- Step 1: Write the proportion equation
125,341,788.94 : 187,572,823.04 = 100,689,138.53 : x - Step 2: Convert to fraction form
125,341,788.94/187,572,823.04 = 100,689,138.53/x - Step 3: Cross multiply
125,341,788.94x = 187,572,823.04 × 100,689,138.53 - Step 4: Simplify right side
125,341,788.94x = 18,886,545,963,503,220 - Step 5: Solve for x
x = 18,886,545,963,503,220/125,341,788.94 - Step 6: Final answer
x = 150,680,360.66
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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.