Home / 123,670,888.30-185,506,332.45-120,836,536.30

Finding the Fourth Proportional to 123,670,888.30, 185,506,332.45 and 120,836,536.30

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Solution

The fourth proportional to 123,670,888.30, 185,506,332.45 and 120,836,536.30 is: 181,254,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670,888.30 : 185,506,332.45 = 120,836,536.30 : x
  2. Step 2: Convert to fraction form
    123,670,888.30/185,506,332.45 = 120,836,536.30/x
  3. Step 3: Cross multiply
    123,670,888.30x = 185,506,332.45 × 120,836,536.30
  4. Step 4: Simplify right side
    123,670,888.30x = 22,415,942,674,974,292
  5. Step 5: Solve for x
    x = 22,415,942,674,974,292/123,670,888.30
  6. Step 6: Final answer
    x = 181,254,804.45

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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.