Finding the Fourth Proportional to 130,534,395.84, 195,823,901.16 and 53,815,485.60
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Solution
The fourth proportional to 130,534,395.84, 195,823,901.16 and 53,815,485.60 is: 80,732,425.08
Step by Step Solution
- Step 1: Write the proportion equation
130,534,395.84 : 195,823,901.16 = 53,815,485.60 : x - Step 2: Convert to fraction form
130,534,395.84/195,823,901.16 = 53,815,485.60/x - Step 3: Cross multiply
130,534,395.84x = 195,823,901.16 × 53,815,485.60 - Step 4: Simplify right side
130,534,395.84x = 10,538,358,333,011,804 - Step 5: Solve for x
x = 10,538,358,333,011,804/130,534,395.84 - Step 6: Final answer
x = 80,732,425.08
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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.