Home / 291,380,547.40-437,060,712.30-73,032,800.20

Finding the Fourth Proportional to 291,380,547.40, 437,060,712.30 and 73,032,800.20

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Solution

The fourth proportional to 291,380,547.40, 437,060,712.30 and 73,032,800.20 is: 109,546,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,380,547.40 : 437,060,712.30 = 73,032,800.20 : x
  2. Step 2: Convert to fraction form
    291,380,547.40/437,060,712.30 = 73,032,800.20/x
  3. Step 3: Cross multiply
    291,380,547.40x = 437,060,712.30 × 73,032,800.20
  4. Step 4: Simplify right side
    291,380,547.40x = 31,919,767,676,675,584
  5. Step 5: Solve for x
    x = 31,919,767,676,675,584/291,380,547.40
  6. Step 6: Final answer
    x = 109,546,666.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.