Home / 144,075,730.46-198,824,574.56-77,996,228.72

Finding the Fourth Proportional to 144,075,730.46, 198,824,574.56 and 77,996,228.72

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Solution

The fourth proportional to 144,075,730.46, 198,824,574.56 and 77,996,228.72 is: 107,634,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,075,730.46 : 198,824,574.56 = 77,996,228.72 : x
  2. Step 2: Convert to fraction form
    144,075,730.46/198,824,574.56 = 77,996,228.72/x
  3. Step 3: Cross multiply
    144,075,730.46x = 198,824,574.56 × 77,996,228.72
  4. Step 4: Simplify right side
    144,075,730.46x = 15,507,566,992,343,462
  5. Step 5: Solve for x
    x = 15,507,566,992,343,462/144,075,730.46
  6. Step 6: Final answer
    x = 107,634,831.65

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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.