Home / 156,447,810.60-234,778,004.10-87,360,480.60

Finding the Fourth Proportional to 156,447,810.60, 234,778,004.10 and 87,360,480.60

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Solution

The fourth proportional to 156,447,810.60, 234,778,004.10 and 87,360,480.60 is: 131,100,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,447,810.60 : 234,778,004.10 = 87,360,480.60 : x
  2. Step 2: Convert to fraction form
    156,447,810.60/234,778,004.10 = 87,360,480.60/x
  3. Step 3: Cross multiply
    156,447,810.60x = 234,778,004.10 × 87,360,480.60
  4. Step 4: Simplify right side
    156,447,810.60x = 20,510,319,272,484,768
  5. Step 5: Solve for x
    x = 20,510,319,272,484,768/156,447,810.60
  6. Step 6: Final answer
    x = 131,100,072.25

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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.