Home / 411,834,090.42-617,747,230.35-105,121,970.10

Finding the Fourth Proportional to 411,834,090.42, 617,747,230.35 and 105,121,970.10

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Solution

The fourth proportional to 411,834,090.42, 617,747,230.35 and 105,121,970.10 is: 157,681,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,834,090.42 : 617,747,230.35 = 105,121,970.10 : x
  2. Step 2: Convert to fraction form
    411,834,090.42/617,747,230.35 = 105,121,970.10/x
  3. Step 3: Cross multiply
    411,834,090.42x = 617,747,230.35 × 105,121,970.10
  4. Step 4: Simplify right side
    411,834,090.42x = 64,938,805,878,210,512
  5. Step 5: Solve for x
    x = 64,938,805,878,210,512/411,834,090.42
  6. Step 6: Final answer
    x = 157,681,958.31

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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.