Home / 134,124,046.40-201,186,069.60-72,742,610.90

Finding the Fourth Proportional to 134,124,046.40, 201,186,069.60 and 72,742,610.90

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Solution

The fourth proportional to 134,124,046.40, 201,186,069.60 and 72,742,610.90 is: 109,113,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,124,046.40 : 201,186,069.60 = 72,742,610.90 : x
  2. Step 2: Convert to fraction form
    134,124,046.40/201,186,069.60 = 72,742,610.90/x
  3. Step 3: Cross multiply
    134,124,046.40x = 201,186,069.60 × 72,742,610.90
  4. Step 4: Simplify right side
    134,124,046.40x = 14,634,799,979,413,120
  5. Step 5: Solve for x
    x = 14,634,799,979,413,120/134,124,046.40
  6. Step 6: Final answer
    x = 109,113,916.35

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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.