Home / 127,575,346.40-191,363,019.60-120,856,882.40

Finding the Fourth Proportional to 127,575,346.40, 191,363,019.60 and 120,856,882.40

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Solution

The fourth proportional to 127,575,346.40, 191,363,019.60 and 120,856,882.40 is: 181,285,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,575,346.40 : 191,363,019.60 = 120,856,882.40 : x
  2. Step 2: Convert to fraction form
    127,575,346.40/191,363,019.60 = 120,856,882.40/x
  3. Step 3: Cross multiply
    127,575,346.40x = 191,363,019.60 × 120,856,882.40
  4. Step 4: Simplify right side
    127,575,346.40x = 23,127,537,955,506,096
  5. Step 5: Solve for x
    x = 23,127,537,955,506,096/127,575,346.40
  6. Step 6: Final answer
    x = 181,285,323.60

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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.