Home / 144,575,251.60-216,544,012.80-86,967,047.20

Finding the Fourth Proportional to 144,575,251.60, 216,544,012.80 and 86,967,047.20

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Solution

The fourth proportional to 144,575,251.60, 216,544,012.80 and 86,967,047.20 is: 130,258,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575,251.60 : 216,544,012.80 = 86,967,047.20 : x
  2. Step 2: Convert to fraction form
    144,575,251.60/216,544,012.80 = 86,967,047.20/x
  3. Step 3: Cross multiply
    144,575,251.60x = 216,544,012.80 × 86,967,047.20
  4. Step 4: Simplify right side
    144,575,251.60x = 18,832,193,382,055,004
  5. Step 5: Solve for x
    x = 18,832,193,382,055,004/144,575,251.60
  6. Step 6: Final answer
    x = 130,258,762.64

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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.