Home / 66,434,719.80-99,652,079.70-61,332,886.20

Finding the Fourth Proportional to 66,434,719.80, 99,652,079.70 and 61,332,886.20

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Solution

The fourth proportional to 66,434,719.80, 99,652,079.70 and 61,332,886.20 is: 91,999,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,719.80 : 99,652,079.70 = 61,332,886.20 : x
  2. Step 2: Convert to fraction form
    66,434,719.80/99,652,079.70 = 61,332,886.20/x
  3. Step 3: Cross multiply
    66,434,719.80x = 99,652,079.70 × 61,332,886.20
  4. Step 4: Simplify right side
    66,434,719.80x = 6,111,949,663,833,431
  5. Step 5: Solve for x
    x = 6,111,949,663,833,431/66,434,719.80
  6. Step 6: Final answer
    x = 91,999,329.30

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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.