Home / 291,254,809.65-436,882,214.48-155,205,913.65

Finding the Fourth Proportional to 291,254,809.65, 436,882,214.48 and 155,205,913.65

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Solution

The fourth proportional to 291,254,809.65, 436,882,214.48 and 155,205,913.65 is: 232,808,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,254,809.65 : 436,882,214.48 = 155,205,913.65 : x
  2. Step 2: Convert to fraction form
    291,254,809.65/436,882,214.48 = 155,205,913.65/x
  3. Step 3: Cross multiply
    291,254,809.65x = 436,882,214.48 × 155,205,913.65
  4. Step 4: Simplify right side
    291,254,809.65x = 67,806,703,255,027,640
  5. Step 5: Solve for x
    x = 67,806,703,255,027,640/291,254,809.65
  6. Step 6: Final answer
    x = 232,808,870.48

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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.