Finding the Fourth Proportional to 245,636,686.10, 338,980,265.62 and 134,128,301.20
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Solution
The fourth proportional to 245,636,686.10, 338,980,265.62 and 134,128,301.20 is: 185,097,950.51
Step by Step Solution
- Step 1: Write the proportion equation
245,636,686.10 : 338,980,265.62 = 134,128,301.20 : x - Step 2: Convert to fraction form
245,636,686.10/338,980,265.62 = 134,128,301.20/x - Step 3: Cross multiply
245,636,686.10x = 338,980,265.62 × 134,128,301.20 - Step 4: Simplify right side
245,636,686.10x = 45,466,847,167,935,368 - Step 5: Solve for x
x = 45,466,847,167,935,368/245,636,686.10 - Step 6: Final answer
x = 185,097,950.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.