Home / 128,359,854,402.69-192,577,046,384.85-51,742,759,553.01

Finding the Fourth Proportional to 128,359,854,402.69, 192,577,046,384.85 and 51,742,759,553.01

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Solution

The fourth proportional to 128,359,854,402.69, 192,577,046,384.85 and 51,742,759,553.01 is: 77,629,161,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,359,854,402.69 : 192,577,046,384.85 = 51,742,759,553.01 : x
  2. Step 2: Convert to fraction form
    128,359,854,402.69/192,577,046,384.85 = 51,742,759,553.01/x
  3. Step 3: Cross multiply
    128,359,854,402.69x = 192,577,046,384.85 × 51,742,759,553.01
  4. Step 4: Simplify right side
    128,359,854,402.69x = 9,964,467,806,520,148,492,288
  5. Step 5: Solve for x
    x = 9,964,467,806,520,148,492,288/128,359,854,402.69
  6. Step 6: Final answer
    x = 77,629,161,024.60

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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.