Finding the Fourth Proportional to 191,583,386.52, 287,178,760.35 and 145,427,547.08
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Solution
The fourth proportional to 191,583,386.52, 287,178,760.35 and 145,427,547.08 is: 217,992,298.02
Step by Step Solution
- Step 1: Write the proportion equation
191,583,386.52 : 287,178,760.35 = 145,427,547.08 : x - Step 2: Convert to fraction form
191,583,386.52/287,178,760.35 = 145,427,547.08/x - Step 3: Cross multiply
191,583,386.52x = 287,178,760.35 × 145,427,547.08 - Step 4: Simplify right side
191,583,386.52x = 41,763,702,689,739,768 - Step 5: Solve for x
x = 41,763,702,689,739,768/191,583,386.52 - Step 6: Final answer
x = 217,992,298.02
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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.