Home / 154,426,808.70-231,640,026.93-39,411,363.33

Finding the Fourth Proportional to 154,426,808.70, 231,640,026.93 and 39,411,363.33

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Solution

The fourth proportional to 154,426,808.70, 231,640,026.93 and 39,411,363.33 is: 59,116,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,808.70 : 231,640,026.93 = 39,411,363.33 : x
  2. Step 2: Convert to fraction form
    154,426,808.70/231,640,026.93 = 39,411,363.33/x
  3. Step 3: Cross multiply
    154,426,808.70x = 231,640,026.93 × 39,411,363.33
  4. Step 4: Simplify right side
    154,426,808.70x = 9,129,249,263,109,214
  5. Step 5: Solve for x
    x = 9,129,249,263,109,214/154,426,808.70
  6. Step 6: Final answer
    x = 59,116,997.50

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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.