Home / 124,031,222.66-186,063,859.76-42,128,112.95

Finding the Fourth Proportional to 124,031,222.66, 186,063,859.76 and 42,128,112.95

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Solution

The fourth proportional to 124,031,222.66, 186,063,859.76 and 42,128,112.95 is: 63,197,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,031,222.66 : 186,063,859.76 = 42,128,112.95 : x
  2. Step 2: Convert to fraction form
    124,031,222.66/186,063,859.76 = 42,128,112.95/x
  3. Step 3: Cross multiply
    124,031,222.66x = 186,063,859.76 × 42,128,112.95
  4. Step 4: Simplify right side
    124,031,222.66x = 7,838,519,299,671,600
  5. Step 5: Solve for x
    x = 7,838,519,299,671,600/124,031,222.66
  6. Step 6: Final answer
    x = 63,197,952.35

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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.