Home / 90,947,972.16-136,423,040.67-25,365,119.45

Finding the Fourth Proportional to 90,947,972.16, 136,423,040.67 and 25,365,119.45

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Solution

The fourth proportional to 90,947,972.16, 136,423,040.67 and 25,365,119.45 is: 38,047,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947,972.16 : 136,423,040.67 = 25,365,119.45 : x
  2. Step 2: Convert to fraction form
    90,947,972.16/136,423,040.67 = 25,365,119.45/x
  3. Step 3: Cross multiply
    90,947,972.16x = 136,423,040.67 × 25,365,119.45
  4. Step 4: Simplify right side
    90,947,972.16x = 3,460,386,721,644,642.50
  5. Step 5: Solve for x
    x = 3,460,386,721,644,642.50/90,947,972.16
  6. Step 6: Final answer
    x = 38,047,981.05

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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.