Home / 342,144,182.40-513,116,740.80-188,863,670.40

Finding the Fourth Proportional to 342,144,182.40, 513,116,740.80 and 188,863,670.40

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Solution

The fourth proportional to 342,144,182.40, 513,116,740.80 and 188,863,670.40 is: 283,240,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,182.40 : 513,116,740.80 = 188,863,670.40 : x
  2. Step 2: Convert to fraction form
    342,144,182.40/513,116,740.80 = 188,863,670.40/x
  3. Step 3: Cross multiply
    342,144,182.40x = 513,116,740.80 × 188,863,670.40
  4. Step 4: Simplify right side
    342,144,182.40x = 96,909,111,011,173,440
  5. Step 5: Solve for x
    x = 96,909,111,011,173,440/342,144,182.40
  6. Step 6: Final answer
    x = 283,240,563.47

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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.