Home / 147,510,900.51-203,559,707.01-81,429,980.28

Finding the Fourth Proportional to 147,510,900.51, 203,559,707.01 and 81,429,980.28

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Solution

The fourth proportional to 147,510,900.51, 203,559,707.01 and 81,429,980.28 is: 112,370,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,900.51 : 203,559,707.01 = 81,429,980.28 : x
  2. Step 2: Convert to fraction form
    147,510,900.51/203,559,707.01 = 81,429,980.28/x
  3. Step 3: Cross multiply
    147,510,900.51x = 203,559,707.01 × 81,429,980.28
  4. Step 4: Simplify right side
    147,510,900.51x = 16,575,862,927,626,878
  5. Step 5: Solve for x
    x = 16,575,862,927,626,878/147,510,900.51
  6. Step 6: Final answer
    x = 112,370,427.34

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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.