Home / 53,152,638.78-73,360,153.65-31,124,852.22

Finding the Fourth Proportional to 53,152,638.78, 73,360,153.65 and 31,124,852.22

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Solution

The fourth proportional to 53,152,638.78, 73,360,153.65 and 31,124,852.22 is: 42,957,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,638.78 : 73,360,153.65 = 31,124,852.22 : x
  2. Step 2: Convert to fraction form
    53,152,638.78/73,360,153.65 = 31,124,852.22/x
  3. Step 3: Cross multiply
    53,152,638.78x = 73,360,153.65 × 31,124,852.22
  4. Step 4: Simplify right side
    53,152,638.78x = 2,283,323,941,192,743.50
  5. Step 5: Solve for x
    x = 2,283,323,941,192,743.50/53,152,638.78
  6. Step 6: Final answer
    x = 42,957,866.13

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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.