Home / 111,460,166.40-153,820,126.80-61,900,763.52

Finding the Fourth Proportional to 111,460,166.40, 153,820,126.80 and 61,900,763.52

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Solution

The fourth proportional to 111,460,166.40, 153,820,126.80 and 61,900,763.52 is: 85,425,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460,166.40 : 153,820,126.80 = 61,900,763.52 : x
  2. Step 2: Convert to fraction form
    111,460,166.40/153,820,126.80 = 61,900,763.52/x
  3. Step 3: Cross multiply
    111,460,166.40x = 153,820,126.80 × 61,900,763.52
  4. Step 4: Simplify right side
    111,460,166.40x = 9,521,583,293,663,216
  5. Step 5: Solve for x
    x = 9,521,583,293,663,216/111,460,166.40
  6. Step 6: Final answer
    x = 85,425,884.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.