Home / 90,567,031,349.61-124,988,094,987.23-49,921,851,152.65

Finding the Fourth Proportional to 90,567,031,349.61, 124,988,094,987.23 and 49,921,851,152.65

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Solution

The fourth proportional to 90,567,031,349.61, 124,988,094,987.23 and 49,921,851,152.65 is: 68,895,236,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,567,031,349.61 : 124,988,094,987.23 = 49,921,851,152.65 : x
  2. Step 2: Convert to fraction form
    90,567,031,349.61/124,988,094,987.23 = 49,921,851,152.65/x
  3. Step 3: Cross multiply
    90,567,031,349.61x = 124,988,094,987.23 × 49,921,851,152.65
  4. Step 4: Simplify right side
    90,567,031,349.61x = 6,239,637,073,805,775,470,592
  5. Step 5: Solve for x
    x = 6,239,637,073,805,775,470,592/90,567,031,349.61
  6. Step 6: Final answer
    x = 68,895,236,829.83

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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.