Home / 90,436,856.04-124,800,188.58-51,282,207.72

Finding the Fourth Proportional to 90,436,856.04, 124,800,188.58 and 51,282,207.72

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Solution

The fourth proportional to 90,436,856.04, 124,800,188.58 and 51,282,207.72 is: 70,767,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436,856.04 : 124,800,188.58 = 51,282,207.72 : x
  2. Step 2: Convert to fraction form
    90,436,856.04/124,800,188.58 = 51,282,207.72/x
  3. Step 3: Cross multiply
    90,436,856.04x = 124,800,188.58 × 51,282,207.72
  4. Step 4: Simplify right side
    90,436,856.04x = 6,400,029,194,254,732
  5. Step 5: Solve for x
    x = 6,400,029,194,254,732/90,436,856.04
  6. Step 6: Final answer
    x = 70,767,931.07

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1.5x scale

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.