Home / 314,928,015.40-472,392,023.10-99,517,263.40

Finding the Fourth Proportional to 314,928,015.40, 472,392,023.10 and 99,517,263.40

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Solution

The fourth proportional to 314,928,015.40, 472,392,023.10 and 99,517,263.40 is: 149,275,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,015.40 : 472,392,023.10 = 99,517,263.40 : x
  2. Step 2: Convert to fraction form
    314,928,015.40/472,392,023.10 = 99,517,263.40/x
  3. Step 3: Cross multiply
    314,928,015.40x = 472,392,023.10 × 99,517,263.40
  4. Step 4: Simplify right side
    314,928,015.40x = 47,011,161,390,901,592
  5. Step 5: Solve for x
    x = 47,011,161,390,901,592/314,928,015.40
  6. Step 6: Final answer
    x = 149,275,895.10

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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.