Home / 126,657,223.07-190,108,688.85-61,124,478.98

Finding the Fourth Proportional to 126,657,223.07, 190,108,688.85 and 61,124,478.98

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Solution

The fourth proportional to 126,657,223.07, 190,108,688.85 and 61,124,478.98 is: 91,746,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,657,223.07 : 190,108,688.85 = 61,124,478.98 : x
  2. Step 2: Convert to fraction form
    126,657,223.07/190,108,688.85 = 61,124,478.98/x
  3. Step 3: Cross multiply
    126,657,223.07x = 190,108,688.85 × 61,124,478.98
  4. Step 4: Simplify right side
    126,657,223.07x = 11,620,294,554,576,642
  5. Step 5: Solve for x
    x = 11,620,294,554,576,642/126,657,223.07
  6. Step 6: Final answer
    x = 91,746,007.64

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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.