Home / 74,762,732.31-112,155,955.65-31,632,256.50

Finding the Fourth Proportional to 74,762,732.31, 112,155,955.65 and 31,632,256.50

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Solution

The fourth proportional to 74,762,732.31, 112,155,955.65 and 31,632,256.50 is: 47,453,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762,732.31 : 112,155,955.65 = 31,632,256.50 : x
  2. Step 2: Convert to fraction form
    74,762,732.31/112,155,955.65 = 31,632,256.50/x
  3. Step 3: Cross multiply
    74,762,732.31x = 112,155,955.65 × 31,632,256.50
  4. Step 4: Simplify right side
    74,762,732.31x = 3,547,745,957,123,424.50
  5. Step 5: Solve for x
    x = 3,547,745,957,123,424.50/74,762,732.31
  6. Step 6: Final answer
    x = 47,453,401.55

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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.