Home / 98,730,920.40-136,183,065.63-63,493,276.56

Finding the Fourth Proportional to 98,730,920.40, 136,183,065.63 and 63,493,276.56

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Solution

The fourth proportional to 98,730,920.40, 136,183,065.63 and 63,493,276.56 is: 87,578,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,730,920.40 : 136,183,065.63 = 63,493,276.56 : x
  2. Step 2: Convert to fraction form
    98,730,920.40/136,183,065.63 = 63,493,276.56/x
  3. Step 3: Cross multiply
    98,730,920.40x = 136,183,065.63 × 63,493,276.56
  4. Step 4: Simplify right side
    98,730,920.40x = 8,646,709,048,834,221
  5. Step 5: Solve for x
    x = 8,646,709,048,834,221/98,730,920.40
  6. Step 6: Final answer
    x = 87,578,531.77

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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.