Home / 93,312,012.80-139,968,019.20-54,953,782.40

Finding the Fourth Proportional to 93,312,012.80, 139,968,019.20 and 54,953,782.40

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Solution

The fourth proportional to 93,312,012.80, 139,968,019.20 and 54,953,782.40 is: 82,430,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,012.80 : 139,968,019.20 = 54,953,782.40 : x
  2. Step 2: Convert to fraction form
    93,312,012.80/139,968,019.20 = 54,953,782.40/x
  3. Step 3: Cross multiply
    93,312,012.80x = 139,968,019.20 × 54,953,782.40
  4. Step 4: Simplify right side
    93,312,012.80x = 7,691,772,070,075,821
  5. Step 5: Solve for x
    x = 7,691,772,070,075,821/93,312,012.80
  6. Step 6: Final answer
    x = 82,430,673.60

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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.