Home / 127,731,302.20-191,596,953.30-120,173,030.20

Finding the Fourth Proportional to 127,731,302.20, 191,596,953.30 and 120,173,030.20

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Solution

The fourth proportional to 127,731,302.20, 191,596,953.30 and 120,173,030.20 is: 180,259,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,731,302.20 : 191,596,953.30 = 120,173,030.20 : x
  2. Step 2: Convert to fraction form
    127,731,302.20/191,596,953.30 = 120,173,030.20/x
  3. Step 3: Cross multiply
    127,731,302.20x = 191,596,953.30 × 120,173,030.20
  4. Step 4: Simplify right side
    127,731,302.20x = 23,024,786,455,148,892
  5. Step 5: Solve for x
    x = 23,024,786,455,148,892/127,731,302.20
  6. Step 6: Final answer
    x = 180,259,545.30

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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.