Finding the Fourth Proportional to 70,124,417.64, 96,781,306.98 and 40,354,452.84
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Solution
The fourth proportional to 70,124,417.64, 96,781,306.98 and 40,354,452.84 is: 55,694,675.55
Step by Step Solution
- Step 1: Write the proportion equation
70,124,417.64 : 96,781,306.98 = 40,354,452.84 : x - Step 2: Convert to fraction form
70,124,417.64/96,781,306.98 = 40,354,452.84/x - Step 3: Cross multiply
70,124,417.64x = 96,781,306.98 × 40,354,452.84 - Step 4: Simplify right side
70,124,417.64x = 3,905,556,688,317,973.50 - Step 5: Solve for x
x = 3,905,556,688,317,973.50/70,124,417.64 - Step 6: Final answer
x = 55,694,675.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.