Home / 139,088,036.26-191,931,888.60-77,203,503.28

Finding the Fourth Proportional to 139,088,036.26, 191,931,888.60 and 77,203,503.28

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Solution

The fourth proportional to 139,088,036.26, 191,931,888.60 and 77,203,503.28 is: 106,535,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,088,036.26 : 191,931,888.60 = 77,203,503.28 : x
  2. Step 2: Convert to fraction form
    139,088,036.26/191,931,888.60 = 77,203,503.28/x
  3. Step 3: Cross multiply
    139,088,036.26x = 191,931,888.60 × 77,203,503.28
  4. Step 4: Simplify right side
    139,088,036.26x = 14,817,814,191,306,610
  5. Step 5: Solve for x
    x = 14,817,814,191,306,610/139,088,036.26
  6. Step 6: Final answer
    x = 106,535,505.06

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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.