Home / 210,999,867.52-316,471,070.12-55,540,656.40

Finding the Fourth Proportional to 210,999,867.52, 316,471,070.12 and 55,540,656.40

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Solution

The fourth proportional to 210,999,867.52, 316,471,070.12 and 55,540,656.40 is: 83,303,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,999,867.52 : 316,471,070.12 = 55,540,656.40 : x
  2. Step 2: Convert to fraction form
    210,999,867.52/316,471,070.12 = 55,540,656.40/x
  3. Step 3: Cross multiply
    210,999,867.52x = 316,471,070.12 × 55,540,656.40
  4. Step 4: Simplify right side
    210,999,867.52x = 17,577,010,966,075,226
  5. Step 5: Solve for x
    x = 17,577,010,966,075,226/210,999,867.52
  6. Step 6: Final answer
    x = 83,303,421.81

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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.