Home / 77,249,424.92-115,851,025.21-25,424,461.12

Finding the Fourth Proportional to 77,249,424.92, 115,851,025.21 and 25,424,461.12

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Solution

The fourth proportional to 77,249,424.92, 115,851,025.21 and 25,424,461.12 is: 38,129,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,249,424.92 : 115,851,025.21 = 25,424,461.12 : x
  2. Step 2: Convert to fraction form
    77,249,424.92/115,851,025.21 = 25,424,461.12/x
  3. Step 3: Cross multiply
    77,249,424.92x = 115,851,025.21 × 25,424,461.12
  4. Step 4: Simplify right side
    77,249,424.92x = 2,945,449,886,528,541.50
  5. Step 5: Solve for x
    x = 2,945,449,886,528,541.50/77,249,424.92
  6. Step 6: Final answer
    x = 38,129,084.97

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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.