Home / 86,963,543.70-130,461,061.95-43,723,929.30

Finding the Fourth Proportional to 86,963,543.70, 130,461,061.95 and 43,723,929.30

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Solution

The fourth proportional to 86,963,543.70, 130,461,061.95 and 43,723,929.30 is: 65,593,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963,543.70 : 130,461,061.95 = 43,723,929.30 : x
  2. Step 2: Convert to fraction form
    86,963,543.70/130,461,061.95 = 43,723,929.30/x
  3. Step 3: Cross multiply
    86,963,543.70x = 130,461,061.95 × 43,723,929.30
  4. Step 4: Simplify right side
    86,963,543.70x = 5,704,270,249,104,720
  5. Step 5: Solve for x
    x = 5,704,270,249,104,720/86,963,543.70
  6. Step 6: Final answer
    x = 65,593,811.00

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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.