Home / 258,733,005.62-387,480,802.86-149,226,182.34

Finding the Fourth Proportional to 258,733,005.62, 387,480,802.86 and 149,226,182.34

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Solution

The fourth proportional to 258,733,005.62, 387,480,802.86 and 149,226,182.34 is: 223,482,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,733,005.62 : 387,480,802.86 = 149,226,182.34 : x
  2. Step 2: Convert to fraction form
    258,733,005.62/387,480,802.86 = 149,226,182.34/x
  3. Step 3: Cross multiply
    258,733,005.62x = 387,480,802.86 × 149,226,182.34
  4. Step 4: Simplify right side
    258,733,005.62x = 57,822,280,940,835,960
  5. Step 5: Solve for x
    x = 57,822,280,940,835,960/258,733,005.62
  6. Step 6: Final answer
    x = 223,482,430.48

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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.