Home / 424,507,852.21-637,052,642.16-148,159,066.36

Finding the Fourth Proportional to 424,507,852.21, 637,052,642.16 and 148,159,066.36

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Solution

The fourth proportional to 424,507,852.21, 637,052,642.16 and 148,159,066.36 is: 222,340,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,507,852.21 : 637,052,642.16 = 148,159,066.36 : x
  2. Step 2: Convert to fraction form
    424,507,852.21/637,052,642.16 = 148,159,066.36/x
  3. Step 3: Cross multiply
    424,507,852.21x = 637,052,642.16 × 148,159,066.36
  4. Step 4: Simplify right side
    424,507,852.21x = 94,385,124,684,596,784
  5. Step 5: Solve for x
    x = 94,385,124,684,596,784/424,507,852.21
  6. Step 6: Final answer
    x = 222,340,115.01

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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.