Finding the Fourth Proportional to 55,774,545.21, 83,675,267.87 and 19,377,638.28
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Solution
The fourth proportional to 55,774,545.21, 83,675,267.87 and 19,377,638.28 is: 29,071,130.34
Step by Step Solution
- Step 1: Write the proportion equation
55,774,545.21 : 83,675,267.87 = 19,377,638.28 : x - Step 2: Convert to fraction form
55,774,545.21/83,675,267.87 = 19,377,638.28/x - Step 3: Cross multiply
55,774,545.21x = 83,675,267.87 × 19,377,638.28 - Step 4: Simplify right side
55,774,545.21x = 1,621,429,073,670,077.75 - Step 5: Solve for x
x = 1,621,429,073,670,077.75/55,774,545.21 - Step 6: Final answer
x = 29,071,130.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.