Home / 137,013,820.52-205,510,394.07-43,637,018.70

Finding the Fourth Proportional to 137,013,820.52, 205,510,394.07 and 43,637,018.70

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Solution

The fourth proportional to 137,013,820.52, 205,510,394.07 and 43,637,018.70 is: 65,452,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,013,820.52 : 205,510,394.07 = 43,637,018.70 : x
  2. Step 2: Convert to fraction form
    137,013,820.52/205,510,394.07 = 43,637,018.70/x
  3. Step 3: Cross multiply
    137,013,820.52x = 205,510,394.07 × 43,637,018.70
  4. Step 4: Simplify right side
    137,013,820.52x = 8,967,860,909,076,959
  5. Step 5: Solve for x
    x = 8,967,860,909,076,959/137,013,820.52
  6. Step 6: Final answer
    x = 65,452,235.95

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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.