Home / 66,570,070.40-99,855,105.60-59,342,472.80

Finding the Fourth Proportional to 66,570,070.40, 99,855,105.60 and 59,342,472.80

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Solution

The fourth proportional to 66,570,070.40, 99,855,105.60 and 59,342,472.80 is: 89,013,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,070.40 : 99,855,105.60 = 59,342,472.80 : x
  2. Step 2: Convert to fraction form
    66,570,070.40/99,855,105.60 = 59,342,472.80/x
  3. Step 3: Cross multiply
    66,570,070.40x = 99,855,105.60 × 59,342,472.80
  4. Step 4: Simplify right side
    66,570,070.40x = 5,925,648,888,009,127
  5. Step 5: Solve for x
    x = 5,925,648,888,009,127/66,570,070.40
  6. Step 6: Final answer
    x = 89,013,709.20

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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.