Home / 82,779,783.40-124,169,675.10-39,626,774.20

Finding the Fourth Proportional to 82,779,783.40, 124,169,675.10 and 39,626,774.20

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Solution

The fourth proportional to 82,779,783.40, 124,169,675.10 and 39,626,774.20 is: 59,440,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,779,783.40 : 124,169,675.10 = 39,626,774.20 : x
  2. Step 2: Convert to fraction form
    82,779,783.40/124,169,675.10 = 39,626,774.20/x
  3. Step 3: Cross multiply
    82,779,783.40x = 124,169,675.10 × 39,626,774.20
  4. Step 4: Simplify right side
    82,779,783.40x = 4,920,443,677,675,063
  5. Step 5: Solve for x
    x = 4,920,443,677,675,063/82,779,783.40
  6. Step 6: Final answer
    x = 59,440,161.30

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1.5x scale

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.