Home / 128,013,038.01-191,941,800-50,196,716.93

Finding the Fourth Proportional to 128,013,038.01, 191,941,800 and 50,196,716.93

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Solution

The fourth proportional to 128,013,038.01, 191,941,800 and 50,196,716.93 is: 75,264,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,013,038.01 : 191,941,800 = 50,196,716.93 : x
  2. Step 2: Convert to fraction form
    128,013,038.01/191,941,800 = 50,196,716.93/x
  3. Step 3: Cross multiply
    128,013,038.01x = 191,941,800 × 50,196,716.93
  4. Step 4: Simplify right side
    128,013,038.01x = 9,634,848,200,674,964
  5. Step 5: Solve for x
    x = 9,634,848,200,674,964/128,013,038.01
  6. Step 6: Final answer
    x = 75,264,585.16

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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.