Home / 190,728,016.30-286,092,024.45-47,120,848.30

Finding the Fourth Proportional to 190,728,016.30, 286,092,024.45 and 47,120,848.30

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Solution

The fourth proportional to 190,728,016.30, 286,092,024.45 and 47,120,848.30 is: 70,681,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,728,016.30 : 286,092,024.45 = 47,120,848.30 : x
  2. Step 2: Convert to fraction form
    190,728,016.30/286,092,024.45 = 47,120,848.30/x
  3. Step 3: Cross multiply
    190,728,016.30x = 286,092,024.45 × 47,120,848.30
  4. Step 4: Simplify right side
    190,728,016.30x = 13,480,898,883,948,340
  5. Step 5: Solve for x
    x = 13,480,898,883,948,340/190,728,016.30
  6. Step 6: Final answer
    x = 70,681,272.45

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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.