Home / 66,521,767.60-99,708,001.80-37,781,671.60

Finding the Fourth Proportional to 66,521,767.60, 99,708,001.80 and 37,781,671.60

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Solution

The fourth proportional to 66,521,767.60, 99,708,001.80 and 37,781,671.60 is: 56,630,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521,767.60 : 99,708,001.80 = 37,781,671.60 : x
  2. Step 2: Convert to fraction form
    66,521,767.60/99,708,001.80 = 37,781,671.60/x
  3. Step 3: Cross multiply
    66,521,767.60x = 99,708,001.80 × 37,781,671.60
  4. Step 4: Simplify right side
    66,521,767.60x = 3,767,134,979,899,809
  5. Step 5: Solve for x
    x = 3,767,134,979,899,809/66,521,767.60
  6. Step 6: Final answer
    x = 56,630,109.45

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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.