Finding the Fourth Proportional to 58,545,239.58, 87,759,400.86 and 39,130,817.76
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Solution
The fourth proportional to 58,545,239.58, 87,759,400.86 and 39,130,817.76 is: 58,657,153.79
Step by Step Solution
- Step 1: Write the proportion equation
58,545,239.58 : 87,759,400.86 = 39,130,817.76 : x - Step 2: Convert to fraction form
58,545,239.58/87,759,400.86 = 39,130,817.76/x - Step 3: Cross multiply
58,545,239.58x = 87,759,400.86 × 39,130,817.76 - Step 4: Simplify right side
58,545,239.58x = 3,434,097,121,779,447 - Step 5: Solve for x
x = 3,434,097,121,779,447/58,545,239.58 - Step 6: Final answer
x = 58,657,153.79
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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.