Finding the Fourth Proportional to 106,454,415.58, 146,871,009.75 and 86,841,399.58
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Solution
The fourth proportional to 106,454,415.58, 146,871,009.75 and 86,841,399.58 is: 119,811,695.69
Step by Step Solution
- Step 1: Write the proportion equation
106,454,415.58 : 146,871,009.75 = 86,841,399.58 : x - Step 2: Convert to fraction form
106,454,415.58/146,871,009.75 = 86,841,399.58/x - Step 3: Cross multiply
106,454,415.58x = 146,871,009.75 × 86,841,399.58 - Step 4: Simplify right side
106,454,415.58x = 12,754,484,044,417,826 - Step 5: Solve for x
x = 12,754,484,044,417,826/106,454,415.58 - Step 6: Final answer
x = 119,811,695.69
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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.