Home / 131,482,267.76-181,450,870.50-72,743,976.23

Finding the Fourth Proportional to 131,482,267.76, 181,450,870.50 and 72,743,976.23

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Solution

The fourth proportional to 131,482,267.76, 181,450,870.50 and 72,743,976.23 is: 100,389,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,482,267.76 : 181,450,870.50 = 72,743,976.23 : x
  2. Step 2: Convert to fraction form
    131,482,267.76/181,450,870.50 = 72,743,976.23/x
  3. Step 3: Cross multiply
    131,482,267.76x = 181,450,870.50 × 72,743,976.23
  4. Step 4: Simplify right side
    131,482,267.76x = 13,199,457,810,564,808
  5. Step 5: Solve for x
    x = 13,199,457,810,564,808/131,482,267.76
  6. Step 6: Final answer
    x = 100,389,642.16

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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.