Home / 79,152,095.40-118,728,143.10-38,841,311.40

Finding the Fourth Proportional to 79,152,095.40, 118,728,143.10 and 38,841,311.40

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Solution

The fourth proportional to 79,152,095.40, 118,728,143.10 and 38,841,311.40 is: 58,261,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152,095.40 : 118,728,143.10 = 38,841,311.40 : x
  2. Step 2: Convert to fraction form
    79,152,095.40/118,728,143.10 = 38,841,311.40/x
  3. Step 3: Cross multiply
    79,152,095.40x = 118,728,143.10 × 38,841,311.40
  4. Step 4: Simplify right side
    79,152,095.40x = 4,611,556,778,090,861
  5. Step 5: Solve for x
    x = 4,611,556,778,090,861/79,152,095.40
  6. Step 6: Final answer
    x = 58,261,967.10

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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.