Home / 111,162,241.79-153,402,020.81-61,602,514.50

Finding the Fourth Proportional to 111,162,241.79, 153,402,020.81 and 61,602,514.50

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Solution

The fourth proportional to 111,162,241.79, 153,402,020.81 and 61,602,514.50 is: 85,010,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,162,241.79 : 153,402,020.81 = 61,602,514.50 : x
  2. Step 2: Convert to fraction form
    111,162,241.79/153,402,020.81 = 61,602,514.50/x
  3. Step 3: Cross multiply
    111,162,241.79x = 153,402,020.81 × 61,602,514.50
  4. Step 4: Simplify right side
    111,162,241.79x = 9,449,950,210,969,314
  5. Step 5: Solve for x
    x = 9,449,950,210,969,314/111,162,241.79
  6. Step 6: Final answer
    x = 85,010,432.13

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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.