Home / 123,122,522.40-169,894,145.16-70,928,455.20

Finding the Fourth Proportional to 123,122,522.40, 169,894,145.16 and 70,928,455.20

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Solution

The fourth proportional to 123,122,522.40, 169,894,145.16 and 70,928,455.20 is: 97,872,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,122,522.40 : 169,894,145.16 = 70,928,455.20 : x
  2. Step 2: Convert to fraction form
    123,122,522.40/169,894,145.16 = 70,928,455.20/x
  3. Step 3: Cross multiply
    123,122,522.40x = 169,894,145.16 × 70,928,455.20
  4. Step 4: Simplify right side
    123,122,522.40x = 12,050,329,263,723,358
  5. Step 5: Solve for x
    x = 12,050,329,263,723,358/123,122,522.40
  6. Step 6: Final answer
    x = 97,872,663.98

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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.