Home / 56,695,365.60-85,043,048.40-39,376,658.40

Finding the Fourth Proportional to 56,695,365.60, 85,043,048.40 and 39,376,658.40

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Solution

The fourth proportional to 56,695,365.60, 85,043,048.40 and 39,376,658.40 is: 59,064,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695,365.60 : 85,043,048.40 = 39,376,658.40 : x
  2. Step 2: Convert to fraction form
    56,695,365.60/85,043,048.40 = 39,376,658.40/x
  3. Step 3: Cross multiply
    56,695,365.60x = 85,043,048.40 × 39,376,658.40
  4. Step 4: Simplify right side
    56,695,365.60x = 3,348,711,066,141,466.50
  5. Step 5: Solve for x
    x = 3,348,711,066,141,466.50/56,695,365.60
  6. Step 6: Final answer
    x = 59,064,987.60

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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.