Home / 145,709,334.40-218,540,061.13-52,316,972.63

Finding the Fourth Proportional to 145,709,334.40, 218,540,061.13 and 52,316,972.63

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Solution

The fourth proportional to 145,709,334.40, 218,540,061.13 and 52,316,972.63 is: 78,466,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,709,334.40 : 218,540,061.13 = 52,316,972.63 : x
  2. Step 2: Convert to fraction form
    145,709,334.40/218,540,061.13 = 52,316,972.63/x
  3. Step 3: Cross multiply
    145,709,334.40x = 218,540,061.13 × 52,316,972.63
  4. Step 4: Simplify right side
    145,709,334.40x = 11,433,354,396,696,738
  5. Step 5: Solve for x
    x = 11,433,354,396,696,738/145,709,334.40
  6. Step 6: Final answer
    x = 78,466,863.11

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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.