Finding the Fourth Proportional to 125,878,585.48, 188,838,056.18 and 53,106,085.46
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Solution
The fourth proportional to 125,878,585.48, 188,838,056.18 and 53,106,085.46 is: 79,667,640.93
Step by Step Solution
- Step 1: Write the proportion equation
125,878,585.48 : 188,838,056.18 = 53,106,085.46 : x - Step 2: Convert to fraction form
125,878,585.48/188,838,056.18 = 53,106,085.46/x - Step 3: Cross multiply
125,878,585.48x = 188,838,056.18 × 53,106,085.46 - Step 4: Simplify right side
125,878,585.48x = 10,028,449,948,783,936 - Step 5: Solve for x
x = 10,028,449,948,783,936/125,878,585.48 - Step 6: Final answer
x = 79,667,640.93
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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.