Home / 55,298,688.40-82,948,032.60-52,909,901.20

Finding the Fourth Proportional to 55,298,688.40, 82,948,032.60 and 52,909,901.20

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Solution

The fourth proportional to 55,298,688.40, 82,948,032.60 and 52,909,901.20 is: 79,364,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,298,688.40 : 82,948,032.60 = 52,909,901.20 : x
  2. Step 2: Convert to fraction form
    55,298,688.40/82,948,032.60 = 52,909,901.20/x
  3. Step 3: Cross multiply
    55,298,688.40x = 82,948,032.60 × 52,909,901.20
  4. Step 4: Simplify right side
    55,298,688.40x = 4,388,772,209,600,379
  5. Step 5: Solve for x
    x = 4,388,772,209,600,379/55,298,688.40
  6. Step 6: Final answer
    x = 79,364,851.80

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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.