Home / 153,630,522.64-212,029,488.28-100,751,700.40

Finding the Fourth Proportional to 153,630,522.64, 212,029,488.28 and 100,751,700.40

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Solution

The fourth proportional to 153,630,522.64, 212,029,488.28 and 100,751,700.40 is: 139,050,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,630,522.64 : 212,029,488.28 = 100,751,700.40 : x
  2. Step 2: Convert to fraction form
    153,630,522.64/212,029,488.28 = 100,751,700.40/x
  3. Step 3: Cross multiply
    153,630,522.64x = 212,029,488.28 × 100,751,700.40
  4. Step 4: Simplify right side
    153,630,522.64x = 21,362,331,479,151,872
  5. Step 5: Solve for x
    x = 21,362,331,479,151,872/153,630,522.64
  6. Step 6: Final answer
    x = 139,050,047.56

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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.