Home / 94,699,518.46-130,567,136.30-72,400,139.28

Finding the Fourth Proportional to 94,699,518.46, 130,567,136.30 and 72,400,139.28

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Solution

The fourth proportional to 94,699,518.46, 130,567,136.30 and 72,400,139.28 is: 99,821,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,699,518.46 : 130,567,136.30 = 72,400,139.28 : x
  2. Step 2: Convert to fraction form
    94,699,518.46/130,567,136.30 = 72,400,139.28/x
  3. Step 3: Cross multiply
    94,699,518.46x = 130,567,136.30 × 72,400,139.28
  4. Step 4: Simplify right side
    94,699,518.46x = 9,453,078,853,827,132
  5. Step 5: Solve for x
    x = 9,453,078,853,827,132/94,699,518.46
  6. Step 6: Final answer
    x = 99,821,826.00

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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.