Home / 124,169,526.81-186,283,120.70-42,289,114.12

Finding the Fourth Proportional to 124,169,526.81, 186,283,120.70 and 42,289,114.12

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Solution

The fourth proportional to 124,169,526.81, 186,283,120.70 and 42,289,114.12 is: 63,443,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169,526.81 : 186,283,120.70 = 42,289,114.12 : x
  2. Step 2: Convert to fraction form
    124,169,526.81/186,283,120.70 = 42,289,114.12/x
  3. Step 3: Cross multiply
    124,169,526.81x = 186,283,120.70 × 42,289,114.12
  4. Step 4: Simplify right side
    124,169,526.81x = 7,877,748,149,912,033
  5. Step 5: Solve for x
    x = 7,877,748,149,912,033/124,169,526.81
  6. Step 6: Final answer
    x = 63,443,490.14

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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.