Home / 59,580,000.80-89,370,001.20-21,242,765.60

Finding the Fourth Proportional to 59,580,000.80, 89,370,001.20 and 21,242,765.60

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Solution

The fourth proportional to 59,580,000.80, 89,370,001.20 and 21,242,765.60 is: 31,864,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,580,000.80 : 89,370,001.20 = 21,242,765.60 : x
  2. Step 2: Convert to fraction form
    59,580,000.80/89,370,001.20 = 21,242,765.60/x
  3. Step 3: Cross multiply
    59,580,000.80x = 89,370,001.20 × 21,242,765.60
  4. Step 4: Simplify right side
    59,580,000.80x = 1,898,465,987,163,319
  5. Step 5: Solve for x
    x = 1,898,465,987,163,319/59,580,000.80
  6. Step 6: Final answer
    x = 31,864,148.40

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1.5x scale

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.