Finding the Fourth Proportional to 97,485,988.58, 134,545,103.20 and 61,725,753.21
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Solution
The fourth proportional to 97,485,988.58, 134,545,103.20 and 61,725,753.21 is: 85,190,681.82
Step by Step Solution
- Step 1: Write the proportion equation
97,485,988.58 : 134,545,103.20 = 61,725,753.21 : x - Step 2: Convert to fraction form
97,485,988.58/134,545,103.20 = 61,725,753.21/x - Step 3: Cross multiply
97,485,988.58x = 134,545,103.20 × 61,725,753.21 - Step 4: Simplify right side
97,485,988.58x = 8,304,897,834,910,141 - Step 5: Solve for x
x = 8,304,897,834,910,141/97,485,988.58 - Step 6: Final answer
x = 85,190,681.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.