Home / 52,108,861,689.40-77,812,390,649.52-42,555,618,747.01

Finding the Fourth Proportional to 52,108,861,689.40, 77,812,390,649.52 and 42,555,618,747.01

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Solution

The fourth proportional to 52,108,861,689.40, 77,812,390,649.52 and 42,555,618,747.01 is: 63,546,857,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,108,861,689.40 : 77,812,390,649.52 = 42,555,618,747.01 : x
  2. Step 2: Convert to fraction form
    52,108,861,689.40/77,812,390,649.52 = 42,555,618,747.01/x
  3. Step 3: Cross multiply
    52,108,861,689.40x = 77,812,390,649.52 × 42,555,618,747.01
  4. Step 4: Simplify right side
    52,108,861,689.40x = 3,311,354,430,274,379,186,176
  5. Step 5: Solve for x
    x = 3,311,354,430,274,379,186,176/52,108,861,689.40
  6. Step 6: Final answer
    x = 63,546,857,922.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.