Home / 77,472,148.16-106,907,470.96-44,430,689.76

Finding the Fourth Proportional to 77,472,148.16, 106,907,470.96 and 44,430,689.76

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Solution

The fourth proportional to 77,472,148.16, 106,907,470.96 and 44,430,689.76 is: 61,312,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,472,148.16 : 106,907,470.96 = 44,430,689.76 : x
  2. Step 2: Convert to fraction form
    77,472,148.16/106,907,470.96 = 44,430,689.76/x
  3. Step 3: Cross multiply
    77,472,148.16x = 106,907,470.96 × 44,430,689.76
  4. Step 4: Simplify right side
    77,472,148.16x = 4,749,972,675,249,969
  5. Step 5: Solve for x
    x = 4,749,972,675,249,969/77,472,148.16
  6. Step 6: Final answer
    x = 61,312,004.22

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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.