Home / 127,716,009.30-191,574,013.95-36,842,562.90

Finding the Fourth Proportional to 127,716,009.30, 191,574,013.95 and 36,842,562.90

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Solution

The fourth proportional to 127,716,009.30, 191,574,013.95 and 36,842,562.90 is: 55,263,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716,009.30 : 191,574,013.95 = 36,842,562.90 : x
  2. Step 2: Convert to fraction form
    127,716,009.30/191,574,013.95 = 36,842,562.90/x
  3. Step 3: Cross multiply
    127,716,009.30x = 191,574,013.95 × 36,842,562.90
  4. Step 4: Simplify right side
    127,716,009.30x = 7,058,077,658,958,352
  5. Step 5: Solve for x
    x = 7,058,077,658,958,352/127,716,009.30
  6. Step 6: Final answer
    x = 55,263,844.35

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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.