Home / 147,744,307.90-221,616,461.85-139,808,122.30

Finding the Fourth Proportional to 147,744,307.90, 221,616,461.85 and 139,808,122.30

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Solution

The fourth proportional to 147,744,307.90, 221,616,461.85 and 139,808,122.30 is: 209,712,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,307.90 : 221,616,461.85 = 139,808,122.30 : x
  2. Step 2: Convert to fraction form
    147,744,307.90/221,616,461.85 = 139,808,122.30/x
  3. Step 3: Cross multiply
    147,744,307.90x = 221,616,461.85 × 139,808,122.30
  4. Step 4: Simplify right side
    147,744,307.90x = 30,983,781,402,018,088
  5. Step 5: Solve for x
    x = 30,983,781,402,018,088/147,744,307.90
  6. Step 6: Final answer
    x = 209,712,183.45

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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.