Home / 201,441,607.40-302,162,411.10-99,184,485.80

Finding the Fourth Proportional to 201,441,607.40, 302,162,411.10 and 99,184,485.80

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Solution

The fourth proportional to 201,441,607.40, 302,162,411.10 and 99,184,485.80 is: 148,776,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,441,607.40 : 302,162,411.10 = 99,184,485.80 : x
  2. Step 2: Convert to fraction form
    201,441,607.40/302,162,411.10 = 99,184,485.80/x
  3. Step 3: Cross multiply
    201,441,607.40x = 302,162,411.10 × 99,184,485.80
  4. Step 4: Simplify right side
    201,441,607.40x = 29,969,823,373,041,712
  5. Step 5: Solve for x
    x = 29,969,823,373,041,712/201,441,607.40
  6. Step 6: Final answer
    x = 148,776,728.70

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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.