Home / 159,426,683.60-239,140,025.40-105,007,125.20

Finding the Fourth Proportional to 159,426,683.60, 239,140,025.40 and 105,007,125.20

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Solution

The fourth proportional to 159,426,683.60, 239,140,025.40 and 105,007,125.20 is: 157,510,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426,683.60 : 239,140,025.40 = 105,007,125.20 : x
  2. Step 2: Convert to fraction form
    159,426,683.60/239,140,025.40 = 105,007,125.20/x
  3. Step 3: Cross multiply
    159,426,683.60x = 239,140,025.40 × 105,007,125.20
  4. Step 4: Simplify right side
    159,426,683.60x = 25,111,406,587,508,980
  5. Step 5: Solve for x
    x = 25,111,406,587,508,980/159,426,683.60
  6. Step 6: Final answer
    x = 157,510,687.80

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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.