Home / 283,525,274.75-391,265,036.12-153,145,082.75

Finding the Fourth Proportional to 283,525,274.75, 391,265,036.12 and 153,145,082.75

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Solution

The fourth proportional to 283,525,274.75, 391,265,036.12 and 153,145,082.75 is: 211,340,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,525,274.75 : 391,265,036.12 = 153,145,082.75 : x
  2. Step 2: Convert to fraction form
    283,525,274.75/391,265,036.12 = 153,145,082.75/x
  3. Step 3: Cross multiply
    283,525,274.75x = 391,265,036.12 × 153,145,082.75
  4. Step 4: Simplify right side
    283,525,274.75x = 59,920,316,333,779,136
  5. Step 5: Solve for x
    x = 59,920,316,333,779,136/283,525,274.75
  6. Step 6: Final answer
    x = 211,340,298.98

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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.