Home / 65,049,547.28-89,768,123.56-40,264,794

Finding the Fourth Proportional to 65,049,547.28, 89,768,123.56 and 40,264,794

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Solution

The fourth proportional to 65,049,547.28, 89,768,123.56 and 40,264,794 is: 55,565,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,049,547.28 : 89,768,123.56 = 40,264,794 : x
  2. Step 2: Convert to fraction form
    65,049,547.28/89,768,123.56 = 40,264,794/x
  3. Step 3: Cross multiply
    65,049,547.28x = 89,768,123.56 × 40,264,794
  4. Step 4: Simplify right side
    65,049,547.28x = 3,614,495,002,909,946.50
  5. Step 5: Solve for x
    x = 3,614,495,002,909,946.50/65,049,547.28
  6. Step 6: Final answer
    x = 55,565,259.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.