Home / 107,896,891.50-148,911,347.53-70,758,416.61

Finding the Fourth Proportional to 107,896,891.50, 148,911,347.53 and 70,758,416.61

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Solution

The fourth proportional to 107,896,891.50, 148,911,347.53 and 70,758,416.61 is: 97,655,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,891.50 : 148,911,347.53 = 70,758,416.61 : x
  2. Step 2: Convert to fraction form
    107,896,891.50/148,911,347.53 = 70,758,416.61/x
  3. Step 3: Cross multiply
    107,896,891.50x = 148,911,347.53 × 70,758,416.61
  4. Step 4: Simplify right side
    107,896,891.50x = 10,536,731,166,130,442
  5. Step 5: Solve for x
    x = 10,536,731,166,130,442/107,896,891.50
  6. Step 6: Final answer
    x = 97,655,558.19

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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.