Home / 113,575,581.40-170,363,372.10-86,365,802.20

Finding the Fourth Proportional to 113,575,581.40, 170,363,372.10 and 86,365,802.20

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Solution

The fourth proportional to 113,575,581.40, 170,363,372.10 and 86,365,802.20 is: 129,548,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,575,581.40 : 170,363,372.10 = 86,365,802.20 : x
  2. Step 2: Convert to fraction form
    113,575,581.40/170,363,372.10 = 86,365,802.20/x
  3. Step 3: Cross multiply
    113,575,581.40x = 170,363,372.10 × 86,365,802.20
  4. Step 4: Simplify right side
    113,575,581.40x = 14,713,569,296,913,598
  5. Step 5: Solve for x
    x = 14,713,569,296,913,598/113,575,581.40
  6. Step 6: Final answer
    x = 129,548,703.30

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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.