Home / 138,700,461.27-208,024,681.11-69,594,709.89

Finding the Fourth Proportional to 138,700,461.27, 208,024,681.11 and 69,594,709.89

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Solution

The fourth proportional to 138,700,461.27, 208,024,681.11 and 69,594,709.89 is: 104,379,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,700,461.27 : 208,024,681.11 = 69,594,709.89 : x
  2. Step 2: Convert to fraction form
    138,700,461.27/208,024,681.11 = 69,594,709.89/x
  3. Step 3: Cross multiply
    138,700,461.27x = 208,024,681.11 × 69,594,709.89
  4. Step 4: Simplify right side
    138,700,461.27x = 14,477,417,331,810,214
  5. Step 5: Solve for x
    x = 14,477,417,331,810,214/138,700,461.27
  6. Step 6: Final answer
    x = 104,379,013.59

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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.