Home / 103,686,641.55-155,529,962.33-65,223,435.15

Finding the Fourth Proportional to 103,686,641.55, 155,529,962.33 and 65,223,435.15

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Solution

The fourth proportional to 103,686,641.55, 155,529,962.33 and 65,223,435.15 is: 97,835,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686,641.55 : 155,529,962.33 = 65,223,435.15 : x
  2. Step 2: Convert to fraction form
    103,686,641.55/155,529,962.33 = 65,223,435.15/x
  3. Step 3: Cross multiply
    103,686,641.55x = 155,529,962.33 × 65,223,435.15
  4. Step 4: Simplify right side
    103,686,641.55x = 10,144,198,411,586,580
  5. Step 5: Solve for x
    x = 10,144,198,411,586,580/103,686,641.55
  6. Step 6: Final answer
    x = 97,835,152.73

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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.