Home / 58,461,709.60-87,692,564.40-18,072,128.80

Finding the Fourth Proportional to 58,461,709.60, 87,692,564.40 and 18,072,128.80

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Solution

The fourth proportional to 58,461,709.60, 87,692,564.40 and 18,072,128.80 is: 27,108,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,461,709.60 : 87,692,564.40 = 18,072,128.80 : x
  2. Step 2: Convert to fraction form
    58,461,709.60/87,692,564.40 = 18,072,128.80/x
  3. Step 3: Cross multiply
    58,461,709.60x = 87,692,564.40 × 18,072,128.80
  4. Step 4: Simplify right side
    58,461,709.60x = 1,584,791,318,639,095
  5. Step 5: Solve for x
    x = 1,584,791,318,639,095/58,461,709.60
  6. Step 6: Final answer
    x = 27,108,193.20

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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.