Home / 295,003,913.32-442,364,243.10-139,428,133.48

Finding the Fourth Proportional to 295,003,913.32, 442,364,243.10 and 139,428,133.48

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Solution

The fourth proportional to 295,003,913.32, 442,364,243.10 and 139,428,133.48 is: 209,075,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,003,913.32 : 442,364,243.10 = 139,428,133.48 : x
  2. Step 2: Convert to fraction form
    295,003,913.32/442,364,243.10 = 139,428,133.48/x
  3. Step 3: Cross multiply
    295,003,913.32x = 442,364,243.10 × 139,428,133.48
  4. Step 4: Simplify right side
    295,003,913.32x = 61,678,020,733,725,968
  5. Step 5: Solve for x
    x = 61,678,020,733,725,968/295,003,913.32
  6. Step 6: Final answer
    x = 209,075,262.90

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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.