Home / 111,385,113.85-153,709,075.47-61,822,598.14

Finding the Fourth Proportional to 111,385,113.85, 153,709,075.47 and 61,822,598.14

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Solution

The fourth proportional to 111,385,113.85, 153,709,075.47 and 61,822,598.14 is: 85,313,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,385,113.85 : 153,709,075.47 = 61,822,598.14 : x
  2. Step 2: Convert to fraction form
    111,385,113.85/153,709,075.47 = 61,822,598.14/x
  3. Step 3: Cross multiply
    111,385,113.85x = 153,709,075.47 × 61,822,598.14
  4. Step 4: Simplify right side
    111,385,113.85x = 9,502,694,403,252,742
  5. Step 5: Solve for x
    x = 9,502,694,403,252,742/111,385,113.85
  6. Step 6: Final answer
    x = 85,313,863.54

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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.