Finding the Fourth Proportional to 106,710,655.13, 147,203,899.10 and 64,907,506.07
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Solution
The fourth proportional to 106,710,655.13, 147,203,899.10 and 64,907,506.07 is: 89,537,806.35
Step by Step Solution
- Step 1: Write the proportion equation
106,710,655.13 : 147,203,899.10 = 64,907,506.07 : x - Step 2: Convert to fraction form
106,710,655.13/147,203,899.10 = 64,907,506.07/x - Step 3: Cross multiply
106,710,655.13x = 147,203,899.10 × 64,907,506.07 - Step 4: Simplify right side
106,710,655.13x = 9,554,637,974,360,918 - Step 5: Solve for x
x = 9,554,637,974,360,918/106,710,655.13 - Step 6: Final answer
x = 89,537,806.35
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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.