Home / 113,602,622.70-170,403,934.05-99,572,580.30

Finding the Fourth Proportional to 113,602,622.70, 170,403,934.05 and 99,572,580.30

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Solution

The fourth proportional to 113,602,622.70, 170,403,934.05 and 99,572,580.30 is: 149,358,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,602,622.70 : 170,403,934.05 = 99,572,580.30 : x
  2. Step 2: Convert to fraction form
    113,602,622.70/170,403,934.05 = 99,572,580.30/x
  3. Step 3: Cross multiply
    113,602,622.70x = 170,403,934.05 × 99,572,580.30
  4. Step 4: Simplify right side
    113,602,622.70x = 16,967,559,406,629,530
  5. Step 5: Solve for x
    x = 16,967,559,406,629,530/113,602,622.70
  6. Step 6: Final answer
    x = 149,358,870.45

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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.