Home / 99,657,969.40-149,486,954.10-54,308,337.40

Finding the Fourth Proportional to 99,657,969.40, 149,486,954.10 and 54,308,337.40

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Solution

The fourth proportional to 99,657,969.40, 149,486,954.10 and 54,308,337.40 is: 81,462,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,969.40 : 149,486,954.10 = 54,308,337.40 : x
  2. Step 2: Convert to fraction form
    99,657,969.40/149,486,954.10 = 54,308,337.40/x
  3. Step 3: Cross multiply
    99,657,969.40x = 149,486,954.10 × 54,308,337.40
  4. Step 4: Simplify right side
    99,657,969.40x = 8,118,387,940,161,113
  5. Step 5: Solve for x
    x = 8,118,387,940,161,113/99,657,969.40
  6. Step 6: Final answer
    x = 81,462,506.10

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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.