Home / 39,712,152.60-54,805,111.44-29,905,294.68

Finding the Fourth Proportional to 39,712,152.60, 54,805,111.44 and 29,905,294.68

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Solution

The fourth proportional to 39,712,152.60, 54,805,111.44 and 29,905,294.68 is: 41,271,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712,152.60 : 54,805,111.44 = 29,905,294.68 : x
  2. Step 2: Convert to fraction form
    39,712,152.60/54,805,111.44 = 29,905,294.68/x
  3. Step 3: Cross multiply
    39,712,152.60x = 54,805,111.44 × 29,905,294.68
  4. Step 4: Simplify right side
    39,712,152.60x = 1,638,963,007,583,439
  5. Step 5: Solve for x
    x = 1,638,963,007,583,439/39,712,152.60
  6. Step 6: Final answer
    x = 41,271,069.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.