Home / 85,216,337.60-127,824,506.40-71,044,577.60

Finding the Fourth Proportional to 85,216,337.60, 127,824,506.40 and 71,044,577.60

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Solution

The fourth proportional to 85,216,337.60, 127,824,506.40 and 71,044,577.60 is: 106,566,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216,337.60 : 127,824,506.40 = 71,044,577.60 : x
  2. Step 2: Convert to fraction form
    85,216,337.60/127,824,506.40 = 71,044,577.60/x
  3. Step 3: Cross multiply
    85,216,337.60x = 127,824,506.40 × 71,044,577.60
  4. Step 4: Simplify right side
    85,216,337.60x = 9,081,238,064,116,496
  5. Step 5: Solve for x
    x = 9,081,238,064,116,496/85,216,337.60
  6. Step 6: Final answer
    x = 106,566,866.40

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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.