Home / 141,862,538.40-212,793,807.60-50,995,312.80

Finding the Fourth Proportional to 141,862,538.40, 212,793,807.60 and 50,995,312.80

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Solution

The fourth proportional to 141,862,538.40, 212,793,807.60 and 50,995,312.80 is: 76,492,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,862,538.40 : 212,793,807.60 = 50,995,312.80 : x
  2. Step 2: Convert to fraction form
    141,862,538.40/212,793,807.60 = 50,995,312.80/x
  3. Step 3: Cross multiply
    141,862,538.40x = 212,793,807.60 × 50,995,312.80
  4. Step 4: Simplify right side
    141,862,538.40x = 10,851,486,780,465,016
  5. Step 5: Solve for x
    x = 10,851,486,780,465,016/141,862,538.40
  6. Step 6: Final answer
    x = 76,492,969.20

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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.