Home / 103,686,646.80-155,529,970.20-65,223,440.40

Finding the Fourth Proportional to 103,686,646.80, 155,529,970.20 and 65,223,440.40

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Solution

The fourth proportional to 103,686,646.80, 155,529,970.20 and 65,223,440.40 is: 97,835,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686,646.80 : 155,529,970.20 = 65,223,440.40 : x
  2. Step 2: Convert to fraction form
    103,686,646.80/155,529,970.20 = 65,223,440.40/x
  3. Step 3: Cross multiply
    103,686,646.80x = 155,529,970.20 × 65,223,440.40
  4. Step 4: Simplify right side
    103,686,646.80x = 10,144,199,741,753,476
  5. Step 5: Solve for x
    x = 10,144,199,741,753,476/103,686,646.80
  6. Step 6: Final answer
    x = 97,835,160.60

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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.