Finding the Fourth Proportional to 240,878,966.96, 332,412,973.91 and 136,457,038.14
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Solution
The fourth proportional to 240,878,966.96, 332,412,973.91 and 136,457,038.14 is: 188,310,712.35
Step by Step Solution
- Step 1: Write the proportion equation
240,878,966.96 : 332,412,973.91 = 136,457,038.14 : x - Step 2: Convert to fraction form
240,878,966.96/332,412,973.91 = 136,457,038.14/x - Step 3: Cross multiply
240,878,966.96x = 332,412,973.91 × 136,457,038.14 - Step 4: Simplify right side
240,878,966.96x = 45,360,089,858,385,400 - Step 5: Solve for x
x = 45,360,089,858,385,400/240,878,966.96 - Step 6: Final answer
x = 188,310,712.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.