Finding the Fourth Proportional to 90,828,072.18, 125,506,698.02 and 64,677,189.18
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Solution
The fourth proportional to 90,828,072.18, 125,506,698.02 and 64,677,189.18 is: 89,371,273.18
Step by Step Solution
- Step 1: Write the proportion equation
90,828,072.18 : 125,506,698.02 = 64,677,189.18 : x - Step 2: Convert to fraction form
90,828,072.18/125,506,698.02 = 64,677,189.18/x - Step 3: Cross multiply
90,828,072.18x = 125,506,698.02 × 64,677,189.18 - Step 4: Simplify right side
90,828,072.18x = 8,117,420,450,873,285 - Step 5: Solve for x
x = 8,117,420,450,873,285/90,828,072.18 - Step 6: Final answer
x = 89,371,273.18
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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.