Home / 229,248,400.80-343,872,601.20-156,688,989.60

Finding the Fourth Proportional to 229,248,400.80, 343,872,601.20 and 156,688,989.60

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Solution

The fourth proportional to 229,248,400.80, 343,872,601.20 and 156,688,989.60 is: 235,033,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,248,400.80 : 343,872,601.20 = 156,688,989.60 : x
  2. Step 2: Convert to fraction form
    229,248,400.80/343,872,601.20 = 156,688,989.60/x
  3. Step 3: Cross multiply
    229,248,400.80x = 343,872,601.20 × 156,688,989.60
  4. Step 4: Simplify right side
    229,248,400.80x = 53,881,050,433,151,744
  5. Step 5: Solve for x
    x = 53,881,050,433,151,744/229,248,400.80
  6. Step 6: Final answer
    x = 235,033,484.40

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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.