Home / 58,286,750.40-87,430,125.60-17,891,985.60

Finding the Fourth Proportional to 58,286,750.40, 87,430,125.60 and 17,891,985.60

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Solution

The fourth proportional to 58,286,750.40, 87,430,125.60 and 17,891,985.60 is: 26,837,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286,750.40 : 87,430,125.60 = 17,891,985.60 : x
  2. Step 2: Convert to fraction form
    58,286,750.40/87,430,125.60 = 17,891,985.60/x
  3. Step 3: Cross multiply
    58,286,750.40x = 87,430,125.60 × 17,891,985.60
  4. Step 4: Simplify right side
    58,286,750.40x = 1,564,298,548,241,391.50
  5. Step 5: Solve for x
    x = 1,564,298,548,241,391.50/58,286,750.40
  6. Step 6: Final answer
    x = 26,837,978.40

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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.