Home / 119,391,566.40-179,087,349.60-38,620,699.20

Finding the Fourth Proportional to 119,391,566.40, 179,087,349.60 and 38,620,699.20

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Solution

The fourth proportional to 119,391,566.40, 179,087,349.60 and 38,620,699.20 is: 57,931,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,391,566.40 : 179,087,349.60 = 38,620,699.20 : x
  2. Step 2: Convert to fraction form
    119,391,566.40/179,087,349.60 = 38,620,699.20/x
  3. Step 3: Cross multiply
    119,391,566.40x = 179,087,349.60 × 38,620,699.20
  4. Step 4: Simplify right side
    119,391,566.40x = 6,916,478,659,426,841
  5. Step 5: Solve for x
    x = 6,916,478,659,426,841/119,391,566.40
  6. Step 6: Final answer
    x = 57,931,048.80

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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.