Home / 103,688,843.05-155,533,264.58-65,225,636.65

Finding the Fourth Proportional to 103,688,843.05, 155,533,264.58 and 65,225,636.65

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Solution

The fourth proportional to 103,688,843.05, 155,533,264.58 and 65,225,636.65 is: 97,838,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688,843.05 : 155,533,264.58 = 65,225,636.65 : x
  2. Step 2: Convert to fraction form
    103,688,843.05/155,533,264.58 = 65,225,636.65/x
  3. Step 3: Cross multiply
    103,688,843.05x = 155,533,264.58 × 65,225,636.65
  4. Step 4: Simplify right side
    103,688,843.05x = 10,144,756,202,483,396
  5. Step 5: Solve for x
    x = 10,144,756,202,483,396/103,688,843.05
  6. Step 6: Final answer
    x = 97,838,454.98

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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.