Home / 612,173,957.22-918,261,600.42-152,112,126.30

Finding the Fourth Proportional to 612,173,957.22, 918,261,600.42 and 152,112,126.30

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Solution

The fourth proportional to 612,173,957.22, 918,261,600.42 and 152,112,126.30 is: 228,168,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,173,957.22 : 918,261,600.42 = 152,112,126.30 : x
  2. Step 2: Convert to fraction form
    612,173,957.22/918,261,600.42 = 152,112,126.30/x
  3. Step 3: Cross multiply
    612,173,957.22x = 918,261,600.42 × 152,112,126.30
  4. Step 4: Simplify right side
    612,173,957.22x = 139,678,724,539,527,184
  5. Step 5: Solve for x
    x = 139,678,724,539,527,184/612,173,957.22
  6. Step 6: Final answer
    x = 228,168,354.59

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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.