Home / 158,447,111.40-237,670,667.10-72,353,669.40

Finding the Fourth Proportional to 158,447,111.40, 237,670,667.10 and 72,353,669.40

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Solution

The fourth proportional to 158,447,111.40, 237,670,667.10 and 72,353,669.40 is: 108,530,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,447,111.40 : 237,670,667.10 = 72,353,669.40 : x
  2. Step 2: Convert to fraction form
    158,447,111.40/237,670,667.10 = 72,353,669.40/x
  3. Step 3: Cross multiply
    158,447,111.40x = 237,670,667.10 × 72,353,669.40
  4. Step 4: Simplify right side
    158,447,111.40x = 17,196,344,873,430,858
  5. Step 5: Solve for x
    x = 17,196,344,873,430,858/158,447,111.40
  6. Step 6: Final answer
    x = 108,530,504.10

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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.