Home / 171,070,720.40-256,679,808.60-99,328,461.20

Finding the Fourth Proportional to 171,070,720.40, 256,679,808.60 and 99,328,461.20

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Solution

The fourth proportional to 171,070,720.40, 256,679,808.60 and 99,328,461.20 is: 149,035,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,070,720.40 : 256,679,808.60 = 99,328,461.20 : x
  2. Step 2: Convert to fraction form
    171,070,720.40/256,679,808.60 = 99,328,461.20/x
  3. Step 3: Cross multiply
    171,070,720.40x = 256,679,808.60 × 99,328,461.20
  4. Step 4: Simplify right side
    171,070,720.40x = 25,495,610,409,348,528
  5. Step 5: Solve for x
    x = 25,495,610,409,348,528/171,070,720.40
  6. Step 6: Final answer
    x = 149,035,500.35

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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.