Home / 147,744,302.40-221,616,453.60-139,808,116.80

Finding the Fourth Proportional to 147,744,302.40, 221,616,453.60 and 139,808,116.80

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Solution

The fourth proportional to 147,744,302.40, 221,616,453.60 and 139,808,116.80 is: 209,712,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,302.40 : 221,616,453.60 = 139,808,116.80 : x
  2. Step 2: Convert to fraction form
    147,744,302.40/221,616,453.60 = 139,808,116.80/x
  3. Step 3: Cross multiply
    147,744,302.40x = 221,616,453.60 × 139,808,116.80
  4. Step 4: Simplify right side
    147,744,302.40x = 30,983,779,029,710,584
  5. Step 5: Solve for x
    x = 30,983,779,029,710,584/147,744,302.40
  6. Step 6: Final answer
    x = 209,712,175.20

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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.