Home / 66,068,641.60-99,102,962.40-64,934,900.80

Finding the Fourth Proportional to 66,068,641.60, 99,102,962.40 and 64,934,900.80

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Solution

The fourth proportional to 66,068,641.60, 99,102,962.40 and 64,934,900.80 is: 97,402,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068,641.60 : 99,102,962.40 = 64,934,900.80 : x
  2. Step 2: Convert to fraction form
    66,068,641.60/99,102,962.40 = 64,934,900.80/x
  3. Step 3: Cross multiply
    66,068,641.60x = 99,102,962.40 × 64,934,900.80
  4. Step 4: Simplify right side
    66,068,641.60x = 6,435,241,032,430,130
  5. Step 5: Solve for x
    x = 6,435,241,032,430,130/66,068,641.60
  6. Step 6: Final answer
    x = 97,402,351.20

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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.