Home / 103,478,421.40-155,217,632.10-35,323,336.60

Finding the Fourth Proportional to 103,478,421.40, 155,217,632.10 and 35,323,336.60

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Solution

The fourth proportional to 103,478,421.40, 155,217,632.10 and 35,323,336.60 is: 52,985,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478,421.40 : 155,217,632.10 = 35,323,336.60 : x
  2. Step 2: Convert to fraction form
    103,478,421.40/155,217,632.10 = 35,323,336.60/x
  3. Step 3: Cross multiply
    103,478,421.40x = 155,217,632.10 × 35,323,336.60
  4. Step 4: Simplify right side
    103,478,421.40x = 5,482,804,664,923,265
  5. Step 5: Solve for x
    x = 5,482,804,664,923,265/103,478,421.40
  6. Step 6: Final answer
    x = 52,985,004.90

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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.