Home / 103,477,505.60-155,157,209.40-38,783,421.20

Finding the Fourth Proportional to 103,477,505.60, 155,157,209.40 and 38,783,421.20

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Solution

The fourth proportional to 103,477,505.60, 155,157,209.40 and 38,783,421.20 is: 58,153,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477,505.60 : 155,157,209.40 = 38,783,421.20 : x
  2. Step 2: Convert to fraction form
    103,477,505.60/155,157,209.40 = 38,783,421.20/x
  3. Step 3: Cross multiply
    103,477,505.60x = 155,157,209.40 × 38,783,421.20
  4. Step 4: Simplify right side
    103,477,505.60x = 6,017,527,404,376,800
  5. Step 5: Solve for x
    x = 6,017,527,404,376,800/103,477,505.60
  6. Step 6: Final answer
    x = 58,153,000.21

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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.