Home / 123,670,885.80-185,506,328.70-120,836,533.80

Finding the Fourth Proportional to 123,670,885.80, 185,506,328.70 and 120,836,533.80

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Solution

The fourth proportional to 123,670,885.80, 185,506,328.70 and 120,836,533.80 is: 181,254,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670,885.80 : 185,506,328.70 = 120,836,533.80 : x
  2. Step 2: Convert to fraction form
    123,670,885.80/185,506,328.70 = 120,836,533.80/x
  3. Step 3: Cross multiply
    123,670,885.80x = 185,506,328.70 × 120,836,533.80
  4. Step 4: Simplify right side
    123,670,885.80x = 22,415,941,758,071,460
  5. Step 5: Solve for x
    x = 22,415,941,758,071,460/123,670,885.80
  6. Step 6: Final answer
    x = 181,254,800.70

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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.