Home / 152,249,076-210,008,131.92-90,325,573.92

Finding the Fourth Proportional to 152,249,076, 210,008,131.92 and 90,325,573.92

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Solution

The fourth proportional to 152,249,076, 210,008,131.92 and 90,325,573.92 is: 124,592,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,249,076 : 210,008,131.92 = 90,325,573.92 : x
  2. Step 2: Convert to fraction form
    152,249,076/210,008,131.92 = 90,325,573.92/x
  3. Step 3: Cross multiply
    152,249,076x = 210,008,131.92 × 90,325,573.92
  4. Step 4: Simplify right side
    152,249,076x = 18,969,105,043,541,072
  5. Step 5: Solve for x
    x = 18,969,105,043,541,072/152,249,076
  6. Step 6: Final answer
    x = 124,592,579.09

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1.5x scale

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.