Home / 138,928,501.40-208,392,752.10-36,692,539.03

Finding the Fourth Proportional to 138,928,501.40, 208,392,752.10 and 36,692,539.03

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Solution

The fourth proportional to 138,928,501.40, 208,392,752.10 and 36,692,539.03 is: 55,038,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,928,501.40 : 208,392,752.10 = 36,692,539.03 : x
  2. Step 2: Convert to fraction form
    138,928,501.40/208,392,752.10 = 36,692,539.03/x
  3. Step 3: Cross multiply
    138,928,501.40x = 208,392,752.10 × 36,692,539.03
  4. Step 4: Simplify right side
    138,928,501.40x = 7,646,459,189,998,364
  5. Step 5: Solve for x
    x = 7,646,459,189,998,364/138,928,501.40
  6. Step 6: Final answer
    x = 55,038,808.55

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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.