Finding the Fourth Proportional to 149,779,968.90, 224,669,953.35 and 122,570,189.70
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Solution
The fourth proportional to 149,779,968.90, 224,669,953.35 and 122,570,189.70 is: 183,855,284.55
Step by Step Solution
- Step 1: Write the proportion equation
149,779,968.90 : 224,669,953.35 = 122,570,189.70 : x - Step 2: Convert to fraction form
149,779,968.90/224,669,953.35 = 122,570,189.70/x - Step 3: Cross multiply
149,779,968.90x = 224,669,953.35 × 122,570,189.70 - Step 4: Simplify right side
149,779,968.90x = 27,537,838,801,999,652 - Step 5: Solve for x
x = 27,537,838,801,999,652/149,779,968.90 - Step 6: Final answer
x = 183,855,284.55
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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.