Finding the Fourth Proportional to 97,534,777.66, 134,467,785.01 and 77,484,303.36
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Solution
The fourth proportional to 97,534,777.66, 134,467,785.01 and 77,484,303.36 is: 106,824,897.70
Step by Step Solution
- Step 1: Write the proportion equation
97,534,777.66 : 134,467,785.01 = 77,484,303.36 : x - Step 2: Convert to fraction form
97,534,777.66/134,467,785.01 = 77,484,303.36/x - Step 3: Cross multiply
97,534,777.66x = 134,467,785.01 × 77,484,303.36 - Step 4: Simplify right side
97,534,777.66x = 10,419,142,645,862,100 - Step 5: Solve for x
x = 10,419,142,645,862,100/97,534,777.66 - Step 6: Final answer
x = 106,824,897.70
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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.