Home / 201,619,869.60-302,230,738.80-99,300,151.20

Finding the Fourth Proportional to 201,619,869.60, 302,230,738.80 and 99,300,151.20

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Solution

The fourth proportional to 201,619,869.60, 302,230,738.80 and 99,300,151.20 is: 148,852,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,619,869.60 : 302,230,738.80 = 99,300,151.20 : x
  2. Step 2: Convert to fraction form
    201,619,869.60/302,230,738.80 = 99,300,151.20/x
  3. Step 3: Cross multiply
    201,619,869.60x = 302,230,738.80 × 99,300,151.20
  4. Step 4: Simplify right side
    201,619,869.60x = 30,011,558,060,127,708
  5. Step 5: Solve for x
    x = 30,011,558,060,127,708/201,619,869.60
  6. Step 6: Final answer
    x = 148,852,184.66

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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.