Home / 108,948,699.88-150,347,981.64-59,387,988.40

Finding the Fourth Proportional to 108,948,699.88, 150,347,981.64 and 59,387,988.40

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Solution

The fourth proportional to 108,948,699.88, 150,347,981.64 and 59,387,988.40 is: 81,954,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,948,699.88 : 150,347,981.64 = 59,387,988.40 : x
  2. Step 2: Convert to fraction form
    108,948,699.88/150,347,981.64 = 59,387,988.40/x
  3. Step 3: Cross multiply
    108,948,699.88x = 150,347,981.64 × 59,387,988.40
  4. Step 4: Simplify right side
    108,948,699.88x = 8,928,864,189,599,732
  5. Step 5: Solve for x
    x = 8,928,864,189,599,732/108,948,699.88
  6. Step 6: Final answer
    x = 81,954,756.68

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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.