Home / 40,890,769.20-61,336,153.80-29,411,643.60

Finding the Fourth Proportional to 40,890,769.20, 61,336,153.80 and 29,411,643.60

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Solution

The fourth proportional to 40,890,769.20, 61,336,153.80 and 29,411,643.60 is: 44,117,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890,769.20 : 61,336,153.80 = 29,411,643.60 : x
  2. Step 2: Convert to fraction form
    40,890,769.20/61,336,153.80 = 29,411,643.60/x
  3. Step 3: Cross multiply
    40,890,769.20x = 61,336,153.80 × 29,411,643.60
  4. Step 4: Simplify right side
    40,890,769.20x = 1,803,997,095,360,385.75
  5. Step 5: Solve for x
    x = 1,803,997,095,360,385.75/40,890,769.20
  6. Step 6: Final answer
    x = 44,117,465.40

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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.