Home / 55,186,671.60-82,709,148.60-42,343,514.10

Finding the Fourth Proportional to 55,186,671.60, 82,709,148.60 and 42,343,514.10

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Solution

The fourth proportional to 55,186,671.60, 82,709,148.60 and 42,343,514.10 is: 63,460,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186,671.60 : 82,709,148.60 = 42,343,514.10 : x
  2. Step 2: Convert to fraction form
    55,186,671.60/82,709,148.60 = 42,343,514.10/x
  3. Step 3: Cross multiply
    55,186,671.60x = 82,709,148.60 × 42,343,514.10
  4. Step 4: Simplify right side
    55,186,671.60x = 3,502,195,999,943,095
  5. Step 5: Solve for x
    x = 3,502,195,999,943,095/55,186,671.60
  6. Step 6: Final answer
    x = 63,460,902.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.