Finding the Fourth Proportional to 99,609,248.64, 137,461,506.12 and 55,559,102.88
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Solution
The fourth proportional to 99,609,248.64, 137,461,506.12 and 55,559,102.88 is: 76,671,976.40
Step by Step Solution
- Step 1: Write the proportion equation
99,609,248.64 : 137,461,506.12 = 55,559,102.88 : x - Step 2: Convert to fraction form
99,609,248.64/137,461,506.12 = 55,559,102.88/x - Step 3: Cross multiply
99,609,248.64x = 137,461,506.12 × 55,559,102.88 - Step 4: Simplify right side
99,609,248.64x = 7,637,237,960,560,830 - Step 5: Solve for x
x = 7,637,237,960,560,830/99,609,248.64 - Step 6: Final answer
x = 76,671,976.40
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1.5x scale
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.