Home / 120,567,000.70-180,850,501.05-38,685,720.70

Finding the Fourth Proportional to 120,567,000.70, 180,850,501.05 and 38,685,720.70

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Solution

The fourth proportional to 120,567,000.70, 180,850,501.05 and 38,685,720.70 is: 58,028,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567,000.70 : 180,850,501.05 = 38,685,720.70 : x
  2. Step 2: Convert to fraction form
    120,567,000.70/180,850,501.05 = 38,685,720.70/x
  3. Step 3: Cross multiply
    120,567,000.70x = 180,850,501.05 × 38,685,720.70
  4. Step 4: Simplify right side
    120,567,000.70x = 6,996,331,972,075,358
  5. Step 5: Solve for x
    x = 6,996,331,972,075,358/120,567,000.70
  6. Step 6: Final answer
    x = 58,028,581.05

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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.