Home / 158,447,130.40-237,670,695.60-72,353,688.40

Finding the Fourth Proportional to 158,447,130.40, 237,670,695.60 and 72,353,688.40

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Solution

The fourth proportional to 158,447,130.40, 237,670,695.60 and 72,353,688.40 is: 108,530,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,447,130.40 : 237,670,695.60 = 72,353,688.40 : x
  2. Step 2: Convert to fraction form
    158,447,130.40/237,670,695.60 = 72,353,688.40/x
  3. Step 3: Cross multiply
    158,447,130.40x = 237,670,695.60 × 72,353,688.40
  4. Step 4: Simplify right side
    158,447,130.40x = 17,196,351,451,253,652
  5. Step 5: Solve for x
    x = 17,196,351,451,253,652/158,447,130.40
  6. Step 6: Final answer
    x = 108,530,532.60

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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.