Home / 52,356,403.35-72,249,504.95-30,013,371.72

Finding the Fourth Proportional to 52,356,403.35, 72,249,504.95 and 30,013,371.72

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Solution

The fourth proportional to 52,356,403.35, 72,249,504.95 and 30,013,371.72 is: 41,417,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356,403.35 : 72,249,504.95 = 30,013,371.72 : x
  2. Step 2: Convert to fraction form
    52,356,403.35/72,249,504.95 = 30,013,371.72/x
  3. Step 3: Cross multiply
    52,356,403.35x = 72,249,504.95 × 30,013,371.72
  4. Step 4: Simplify right side
    52,356,403.35x = 2,168,451,248,556,538.25
  5. Step 5: Solve for x
    x = 2,168,451,248,556,538.25/52,356,403.35
  6. Step 6: Final answer
    x = 41,417,116.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.