Home / 220,134,006.40-330,201,009.60-90,698,598.40

Finding the Fourth Proportional to 220,134,006.40, 330,201,009.60 and 90,698,598.40

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Solution

The fourth proportional to 220,134,006.40, 330,201,009.60 and 90,698,598.40 is: 136,047,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,134,006.40 : 330,201,009.60 = 90,698,598.40 : x
  2. Step 2: Convert to fraction form
    220,134,006.40/330,201,009.60 = 90,698,598.40/x
  3. Step 3: Cross multiply
    220,134,006.40x = 330,201,009.60 × 90,698,598.40
  4. Step 4: Simplify right side
    220,134,006.40x = 29,948,768,760,984,948
  5. Step 5: Solve for x
    x = 29,948,768,760,984,948/220,134,006.40
  6. Step 6: Final answer
    x = 136,047,897.60

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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.