Home / 147,619,563.60-221,429,345.40-56,746,117.20

Finding the Fourth Proportional to 147,619,563.60, 221,429,345.40 and 56,746,117.20

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Solution

The fourth proportional to 147,619,563.60, 221,429,345.40 and 56,746,117.20 is: 85,119,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619,563.60 : 221,429,345.40 = 56,746,117.20 : x
  2. Step 2: Convert to fraction form
    147,619,563.60/221,429,345.40 = 56,746,117.20/x
  3. Step 3: Cross multiply
    147,619,563.60x = 221,429,345.40 × 56,746,117.20
  4. Step 4: Simplify right side
    147,619,563.60x = 12,565,255,585,587,682
  5. Step 5: Solve for x
    x = 12,565,255,585,587,682/147,619,563.60
  6. Step 6: Final answer
    x = 85,119,175.80

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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.