Home / 137,711,275-190,041,559.50-75,831,466.12

Finding the Fourth Proportional to 137,711,275, 190,041,559.50 and 75,831,466.12

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Solution

The fourth proportional to 137,711,275, 190,041,559.50 and 75,831,466.12 is: 104,647,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,711,275 : 190,041,559.50 = 75,831,466.12 : x
  2. Step 2: Convert to fraction form
    137,711,275/190,041,559.50 = 75,831,466.12/x
  3. Step 3: Cross multiply
    137,711,275x = 190,041,559.50 × 75,831,466.12
  4. Step 4: Simplify right side
    137,711,275x = 14,411,130,080,616,216
  5. Step 5: Solve for x
    x = 14,411,130,080,616,216/137,711,275
  6. Step 6: Final answer
    x = 104,647,423.25

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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.