Home / 65,903,510.08-90,989,532.16-42,392,560

Finding the Fourth Proportional to 65,903,510.08, 90,989,532.16 and 42,392,560

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Solution

The fourth proportional to 65,903,510.08, 90,989,532.16 and 42,392,560 is: 58,529,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903,510.08 : 90,989,532.16 = 42,392,560 : x
  2. Step 2: Convert to fraction form
    65,903,510.08/90,989,532.16 = 42,392,560/x
  3. Step 3: Cross multiply
    65,903,510.08x = 90,989,532.16 × 42,392,560
  4. Step 4: Simplify right side
    65,903,510.08x = 3,857,279,201,464,729.50
  5. Step 5: Solve for x
    x = 3,857,279,201,464,729.50/65,903,510.08
  6. Step 6: Final answer
    x = 58,529,192.10

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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.