Home / 147,744,047.10-221,616,070.65-67,122,479.10

Finding the Fourth Proportional to 147,744,047.10, 221,616,070.65 and 67,122,479.10

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Solution

The fourth proportional to 147,744,047.10, 221,616,070.65 and 67,122,479.10 is: 100,683,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,047.10 : 221,616,070.65 = 67,122,479.10 : x
  2. Step 2: Convert to fraction form
    147,744,047.10/221,616,070.65 = 67,122,479.10/x
  3. Step 3: Cross multiply
    147,744,047.10x = 221,616,070.65 × 67,122,479.10
  4. Step 4: Simplify right side
    147,744,047.10x = 14,875,420,070,428,748
  5. Step 5: Solve for x
    x = 14,875,420,070,428,748/147,744,047.10
  6. Step 6: Final answer
    x = 100,683,718.65

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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.