Home / 402,992,593.20-604,532,088.72-111,860,950.32

Finding the Fourth Proportional to 402,992,593.20, 604,532,088.72 and 111,860,950.32

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Solution

The fourth proportional to 402,992,593.20, 604,532,088.72 and 111,860,950.32 is: 167,803,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,992,593.20 : 604,532,088.72 = 111,860,950.32 : x
  2. Step 2: Convert to fraction form
    402,992,593.20/604,532,088.72 = 111,860,950.32/x
  3. Step 3: Cross multiply
    402,992,593.20x = 604,532,088.72 × 111,860,950.32
  4. Step 4: Simplify right side
    402,992,593.20x = 67,623,533,943,153,752
  5. Step 5: Solve for x
    x = 67,623,533,943,153,752/402,992,593.20
  6. Step 6: Final answer
    x = 167,803,416.45

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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.