Home / 87,308,935,363.30-130,963,403,044.95-47,637,077,289.70

Finding the Fourth Proportional to 87,308,935,363.30, 130,963,403,044.95 and 47,637,077,289.70

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Solution

The fourth proportional to 87,308,935,363.30, 130,963,403,044.95 and 47,637,077,289.70 is: 71,455,615,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308,935,363.30 : 130,963,403,044.95 = 47,637,077,289.70 : x
  2. Step 2: Convert to fraction form
    87,308,935,363.30/130,963,403,044.95 = 47,637,077,289.70/x
  3. Step 3: Cross multiply
    87,308,935,363.30x = 130,963,403,044.95 × 47,637,077,289.70
  4. Step 4: Simplify right side
    87,308,935,363.30x = 6,238,713,752,974,415,364,096
  5. Step 5: Solve for x
    x = 6,238,713,752,974,415,364,096/87,308,935,363.30
  6. Step 6: Final answer
    x = 71,455,615,934.55

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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.