Home / 66,161,455.31-99,225,683.17-19,465,649.28

Finding the Fourth Proportional to 66,161,455.31, 99,225,683.17 and 19,465,649.28

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Solution

The fourth proportional to 66,161,455.31, 99,225,683.17 and 19,465,649.28 is: 29,193,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161,455.31 : 99,225,683.17 = 19,465,649.28 : x
  2. Step 2: Convert to fraction form
    66,161,455.31/99,225,683.17 = 19,465,649.28/x
  3. Step 3: Cross multiply
    66,161,455.31x = 99,225,683.17 × 19,465,649.28
  4. Step 4: Simplify right side
    66,161,455.31x = 1,931,492,348,106,954.75
  5. Step 5: Solve for x
    x = 1,931,492,348,106,954.75/66,161,455.31
  6. Step 6: Final answer
    x = 29,193,619.45

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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.