Home / 261,033,145.85-360,218,552.79-143,558,518.76

Finding the Fourth Proportional to 261,033,145.85, 360,218,552.79 and 143,558,518.76

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Solution

The fourth proportional to 261,033,145.85, 360,218,552.79 and 143,558,518.76 is: 198,106,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,033,145.85 : 360,218,552.79 = 143,558,518.76 : x
  2. Step 2: Convert to fraction form
    261,033,145.85/360,218,552.79 = 143,558,518.76/x
  3. Step 3: Cross multiply
    261,033,145.85x = 360,218,552.79 × 143,558,518.76
  4. Step 4: Simplify right side
    261,033,145.85x = 51,712,441,869,303,808
  5. Step 5: Solve for x
    x = 51,712,441,869,303,808/261,033,145.85
  6. Step 6: Final answer
    x = 198,106,802.50

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1.5x scale

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.