Home / 314,928,519.40-472,392,779.10-96,577,127.20

Finding the Fourth Proportional to 314,928,519.40, 472,392,779.10 and 96,577,127.20

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Solution

The fourth proportional to 314,928,519.40, 472,392,779.10 and 96,577,127.20 is: 144,865,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,519.40 : 472,392,779.10 = 96,577,127.20 : x
  2. Step 2: Convert to fraction form
    314,928,519.40/472,392,779.10 = 96,577,127.20/x
  3. Step 3: Cross multiply
    314,928,519.40x = 472,392,779.10 × 96,577,127.20
  4. Step 4: Simplify right side
    314,928,519.40x = 45,622,337,515,502,208
  5. Step 5: Solve for x
    x = 45,622,337,515,502,208/314,928,519.40
  6. Step 6: Final answer
    x = 144,865,690.80

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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.