Home / 66,051,009.60-99,076,514.40-55,847,342.40

Finding the Fourth Proportional to 66,051,009.60, 99,076,514.40 and 55,847,342.40

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Solution

The fourth proportional to 66,051,009.60, 99,076,514.40 and 55,847,342.40 is: 83,771,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,009.60 : 99,076,514.40 = 55,847,342.40 : x
  2. Step 2: Convert to fraction form
    66,051,009.60/99,076,514.40 = 55,847,342.40/x
  3. Step 3: Cross multiply
    66,051,009.60x = 99,076,514.40 × 55,847,342.40
  4. Step 4: Simplify right side
    66,051,009.60x = 5,533,160,023,495,331
  5. Step 5: Solve for x
    x = 5,533,160,023,495,331/66,051,009.60
  6. Step 6: Final answer
    x = 83,771,013.60

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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.