Home / 145,165,901.40-217,748,852.10-132,624,768.60

Finding the Fourth Proportional to 145,165,901.40, 217,748,852.10 and 132,624,768.60

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Solution

The fourth proportional to 145,165,901.40, 217,748,852.10 and 132,624,768.60 is: 198,937,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,901.40 : 217,748,852.10 = 132,624,768.60 : x
  2. Step 2: Convert to fraction form
    145,165,901.40/217,748,852.10 = 132,624,768.60/x
  3. Step 3: Cross multiply
    145,165,901.40x = 217,748,852.10 × 132,624,768.60
  4. Step 4: Simplify right side
    145,165,901.40x = 28,878,891,122,678,120
  5. Step 5: Solve for x
    x = 28,878,891,122,678,120/145,165,901.40
  6. Step 6: Final answer
    x = 198,937,152.90

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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.