Home / 124,485,315.90-186,602,002.65-73,341,008.70

Finding the Fourth Proportional to 124,485,315.90, 186,602,002.65 and 73,341,008.70

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Solution

The fourth proportional to 124,485,315.90, 186,602,002.65 and 73,341,008.70 is: 109,937,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485,315.90 : 186,602,002.65 = 73,341,008.70 : x
  2. Step 2: Convert to fraction form
    124,485,315.90/186,602,002.65 = 73,341,008.70/x
  3. Step 3: Cross multiply
    124,485,315.90x = 186,602,002.65 × 73,341,008.70
  4. Step 4: Simplify right side
    124,485,315.90x = 13,685,579,099,791,074
  5. Step 5: Solve for x
    x = 13,685,579,099,791,074/124,485,315.90
  6. Step 6: Final answer
    x = 109,937,296.63

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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.