Home / 242,688,671.60-364,033,007.40-89,302,989.20

Finding the Fourth Proportional to 242,688,671.60, 364,033,007.40 and 89,302,989.20

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Solution

The fourth proportional to 242,688,671.60, 364,033,007.40 and 89,302,989.20 is: 133,954,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,688,671.60 : 364,033,007.40 = 89,302,989.20 : x
  2. Step 2: Convert to fraction form
    242,688,671.60/364,033,007.40 = 89,302,989.20/x
  3. Step 3: Cross multiply
    242,688,671.60x = 364,033,007.40 × 89,302,989.20
  4. Step 4: Simplify right side
    242,688,671.60x = 32,509,235,728,285,720
  5. Step 5: Solve for x
    x = 32,509,235,728,285,720/242,688,671.60
  6. Step 6: Final answer
    x = 133,954,483.80

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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.