Finding the Fourth Proportional to 67,712,547.84, 101,572,660.32 and 21,658,462.08
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Solution
The fourth proportional to 67,712,547.84, 101,572,660.32 and 21,658,462.08 is: 32,488,920.92
Step by Step Solution
- Step 1: Write the proportion equation
67,712,547.84 : 101,572,660.32 = 21,658,462.08 : x - Step 2: Convert to fraction form
67,712,547.84/101,572,660.32 = 21,658,462.08/x - Step 3: Cross multiply
67,712,547.84x = 101,572,660.32 × 21,658,462.08 - Step 4: Simplify right side
67,712,547.84x = 2,199,907,611,905,440.25 - Step 5: Solve for x
x = 2,199,907,611,905,440.25/67,712,547.84 - Step 6: Final answer
x = 32,488,920.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.