Home / 140,617,340.70-210,758,049.45-72,424,931.10

Finding the Fourth Proportional to 140,617,340.70, 210,758,049.45 and 72,424,931.10

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Solution

The fourth proportional to 140,617,340.70, 210,758,049.45 and 72,424,931.10 is: 108,550,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,340.70 : 210,758,049.45 = 72,424,931.10 : x
  2. Step 2: Convert to fraction form
    140,617,340.70/210,758,049.45 = 72,424,931.10/x
  3. Step 3: Cross multiply
    140,617,340.70x = 210,758,049.45 × 72,424,931.10
  4. Step 4: Simplify right side
    140,617,340.70x = 15,264,137,210,186,640
  5. Step 5: Solve for x
    x = 15,264,137,210,186,640/140,617,340.70
  6. Step 6: Final answer
    x = 108,550,888.06

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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.