Finding the Fourth Proportional to 125,534,681.30, 173,239,931.86 and 69,021,815.00
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Solution
The fourth proportional to 125,534,681.30, 173,239,931.86 and 69,021,815.00 is: 95,251,243.74
Step by Step Solution
- Step 1: Write the proportion equation
125,534,681.30 : 173,239,931.86 = 69,021,815.00 : x - Step 2: Convert to fraction form
125,534,681.30/173,239,931.86 = 69,021,815.00/x - Step 3: Cross multiply
125,534,681.30x = 173,239,931.86 × 69,021,815.00 - Step 4: Simplify right side
125,534,681.30x = 11,957,334,526,414,772 - Step 5: Solve for x
x = 11,957,334,526,414,772/125,534,681.30 - Step 6: Final answer
x = 95,251,243.74
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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.