Home / 139,014,800.01-191,840,424.45-77,145,094.89

Finding the Fourth Proportional to 139,014,800.01, 191,840,424.45 and 77,145,094.89

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Solution

The fourth proportional to 139,014,800.01, 191,840,424.45 and 77,145,094.89 is: 106,460,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,014,800.01 : 191,840,424.45 = 77,145,094.89 : x
  2. Step 2: Convert to fraction form
    139,014,800.01/191,840,424.45 = 77,145,094.89/x
  3. Step 3: Cross multiply
    139,014,800.01x = 191,840,424.45 × 77,145,094.89
  4. Step 4: Simplify right side
    139,014,800.01x = 14,799,547,747,933,126
  5. Step 5: Solve for x
    x = 14,799,547,747,933,126/139,014,800.01
  6. Step 6: Final answer
    x = 106,460,231.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.