Home / 77,689,928.20-116,492,901.90-32,256,315.40

Finding the Fourth Proportional to 77,689,928.20, 116,492,901.90 and 32,256,315.40

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Solution

The fourth proportional to 77,689,928.20, 116,492,901.90 and 32,256,315.40 is: 48,367,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,689,928.20 : 116,492,901.90 = 32,256,315.40 : x
  2. Step 2: Convert to fraction form
    77,689,928.20/116,492,901.90 = 32,256,315.40/x
  3. Step 3: Cross multiply
    77,689,928.20x = 116,492,901.90 × 32,256,315.40
  4. Step 4: Simplify right side
    77,689,928.20x = 3,757,631,785,547,659.50
  5. Step 5: Solve for x
    x = 3,757,631,785,547,659.50/77,689,928.20
  6. Step 6: Final answer
    x = 48,367,038.98

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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.