Home / 385,066,507.80-577,537,784.10-112,373,362.20

Finding the Fourth Proportional to 385,066,507.80, 577,537,784.10 and 112,373,362.20

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Solution

The fourth proportional to 385,066,507.80, 577,537,784.10 and 112,373,362.20 is: 168,541,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,066,507.80 : 577,537,784.10 = 112,373,362.20 : x
  2. Step 2: Convert to fraction form
    385,066,507.80/577,537,784.10 = 112,373,362.20/x
  3. Step 3: Cross multiply
    385,066,507.80x = 577,537,784.10 × 112,373,362.20
  4. Step 4: Simplify right side
    385,066,507.80x = 64,899,862,596,854,704
  5. Step 5: Solve for x
    x = 64,899,862,596,854,704/385,066,507.80
  6. Step 6: Final answer
    x = 168,541,956.47

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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.