Home / 402,932,442.40-604,398,663.60-111,799,002.40

Finding the Fourth Proportional to 402,932,442.40, 604,398,663.60 and 111,799,002.40

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Solution

The fourth proportional to 402,932,442.40, 604,398,663.60 and 111,799,002.40 is: 167,698,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,932,442.40 : 604,398,663.60 = 111,799,002.40 : x
  2. Step 2: Convert to fraction form
    402,932,442.40/604,398,663.60 = 111,799,002.40/x
  3. Step 3: Cross multiply
    402,932,442.40x = 604,398,663.60 × 111,799,002.40
  4. Step 4: Simplify right side
    402,932,442.40x = 67,571,167,642,373,200
  5. Step 5: Solve for x
    x = 67,571,167,642,373,200/402,932,442.40
  6. Step 6: Final answer
    x = 167,698,503.60

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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.