Home / 76,973,176.80-106,182,712.02-47,595,118.32

Finding the Fourth Proportional to 76,973,176.80, 106,182,712.02 and 47,595,118.32

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Solution

The fourth proportional to 76,973,176.80, 106,182,712.02 and 47,595,118.32 is: 65,656,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973,176.80 : 106,182,712.02 = 47,595,118.32 : x
  2. Step 2: Convert to fraction form
    76,973,176.80/106,182,712.02 = 47,595,118.32/x
  3. Step 3: Cross multiply
    76,973,176.80x = 106,182,712.02 × 47,595,118.32
  4. Step 4: Simplify right side
    76,973,176.80x = 5,053,778,742,130,386
  5. Step 5: Solve for x
    x = 5,053,778,742,130,386/76,973,176.80
  6. Step 6: Final answer
    x = 65,656,361.76

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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.