Home / 124,485,328.40-186,602,021.40-73,341,021.20

Finding the Fourth Proportional to 124,485,328.40, 186,602,021.40 and 73,341,021.20

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Solution

The fourth proportional to 124,485,328.40, 186,602,021.40 and 73,341,021.20 is: 109,937,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485,328.40 : 186,602,021.40 = 73,341,021.20 : x
  2. Step 2: Convert to fraction form
    124,485,328.40/186,602,021.40 = 73,341,021.20/x
  3. Step 3: Cross multiply
    124,485,328.40x = 186,602,021.40 × 73,341,021.20
  4. Step 4: Simplify right side
    124,485,328.40x = 13,685,582,807,460,254
  5. Step 5: Solve for x
    x = 13,685,582,807,460,254/124,485,328.40
  6. Step 6: Final answer
    x = 109,937,315.37

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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.