Home / 127,467,094,061.68-175,920,014,667.12-72,547,619,963.20

Finding the Fourth Proportional to 127,467,094,061.68, 175,920,014,667.12 and 72,547,619,963.20

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Solution

The fourth proportional to 127,467,094,061.68, 175,920,014,667.12 and 72,547,619,963.20 is: 100,124,494,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467,094,061.68 : 175,920,014,667.12 = 72,547,619,963.20 : x
  2. Step 2: Convert to fraction form
    127,467,094,061.68/175,920,014,667.12 = 72,547,619,963.20/x
  3. Step 3: Cross multiply
    127,467,094,061.68x = 175,920,014,667.12 × 72,547,619,963.20
  4. Step 4: Simplify right side
    127,467,094,061.68x = 12,762,578,367,990,791,667,712
  5. Step 5: Solve for x
    x = 12,762,578,367,990,791,667,712/127,467,094,061.68
  6. Step 6: Final answer
    x = 100,124,494,575.95

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1.5x scale

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.