Home / 137,241,315.40-205,861,973.10-118,109,439.40

Finding the Fourth Proportional to 137,241,315.40, 205,861,973.10 and 118,109,439.40

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Solution

The fourth proportional to 137,241,315.40, 205,861,973.10 and 118,109,439.40 is: 177,164,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,241,315.40 : 205,861,973.10 = 118,109,439.40 : x
  2. Step 2: Convert to fraction form
    137,241,315.40/205,861,973.10 = 118,109,439.40/x
  3. Step 3: Cross multiply
    137,241,315.40x = 205,861,973.10 × 118,109,439.40
  4. Step 4: Simplify right side
    137,241,315.40x = 24,314,242,236,618,880
  5. Step 5: Solve for x
    x = 24,314,242,236,618,880/137,241,315.40
  6. Step 6: Final answer
    x = 177,164,159.10

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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.