Finding the Fourth Proportional to 125,878,585.98, 188,838,056.94 and 53,106,085.96
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Solution
The fourth proportional to 125,878,585.98, 188,838,056.94 and 53,106,085.96 is: 79,667,641.68
Step by Step Solution
- Step 1: Write the proportion equation
125,878,585.98 : 188,838,056.94 = 53,106,085.96 : x - Step 2: Convert to fraction form
125,878,585.98/188,838,056.94 = 53,106,085.96/x - Step 3: Cross multiply
125,878,585.98x = 188,838,056.94 × 53,106,085.96 - Step 4: Simplify right side
125,878,585.98x = 10,028,450,083,165,294 - Step 5: Solve for x
x = 10,028,450,083,165,294/125,878,585.98 - Step 6: Final answer
x = 79,667,641.68
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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.