Home / 99,853,315.70-149,779,973.55-82,833,206.90

Finding the Fourth Proportional to 99,853,315.70, 149,779,973.55 and 82,833,206.90

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Solution

The fourth proportional to 99,853,315.70, 149,779,973.55 and 82,833,206.90 is: 124,249,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,315.70 : 149,779,973.55 = 82,833,206.90 : x
  2. Step 2: Convert to fraction form
    99,853,315.70/149,779,973.55 = 82,833,206.90/x
  3. Step 3: Cross multiply
    99,853,315.70x = 149,779,973.55 × 82,833,206.90
  4. Step 4: Simplify right side
    99,853,315.70x = 12,406,755,538,543,680
  5. Step 5: Solve for x
    x = 12,406,755,538,543,680/99,853,315.70
  6. Step 6: Final answer
    x = 124,249,810.35

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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.