Home / 125,220,572.70-187,830,859.05-86,956,820.70

Finding the Fourth Proportional to 125,220,572.70, 187,830,859.05 and 86,956,820.70

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Solution

The fourth proportional to 125,220,572.70, 187,830,859.05 and 86,956,820.70 is: 130,435,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220,572.70 : 187,830,859.05 = 86,956,820.70 : x
  2. Step 2: Convert to fraction form
    125,220,572.70/187,830,859.05 = 86,956,820.70/x
  3. Step 3: Cross multiply
    125,220,572.70x = 187,830,859.05 × 86,956,820.70
  4. Step 4: Simplify right side
    125,220,572.70x = 16,333,174,332,337,824
  5. Step 5: Solve for x
    x = 16,333,174,332,337,824/125,220,572.70
  6. Step 6: Final answer
    x = 130,435,231.05

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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.