Home / 142,162,581.60-213,243,872.40-132,596,643.60

Finding the Fourth Proportional to 142,162,581.60, 213,243,872.40 and 132,596,643.60

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Solution

The fourth proportional to 142,162,581.60, 213,243,872.40 and 132,596,643.60 is: 198,894,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,162,581.60 : 213,243,872.40 = 132,596,643.60 : x
  2. Step 2: Convert to fraction form
    142,162,581.60/213,243,872.40 = 132,596,643.60/x
  3. Step 3: Cross multiply
    142,162,581.60x = 213,243,872.40 × 132,596,643.60
  4. Step 4: Simplify right side
    142,162,581.60x = 28,275,421,748,506,676
  5. Step 5: Solve for x
    x = 28,275,421,748,506,676/142,162,581.60
  6. Step 6: Final answer
    x = 198,894,965.40

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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.