Home / 55,711,926.40-83,630,875.20-42,988,835.20

Finding the Fourth Proportional to 55,711,926.40, 83,630,875.20 and 42,988,835.20

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Solution

The fourth proportional to 55,711,926.40, 83,630,875.20 and 42,988,835.20 is: 64,531,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711,926.40 : 83,630,875.20 = 42,988,835.20 : x
  2. Step 2: Convert to fraction form
    55,711,926.40/83,630,875.20 = 42,988,835.20/x
  3. Step 3: Cross multiply
    55,711,926.40x = 83,630,875.20 × 42,988,835.20
  4. Step 4: Simplify right side
    55,711,926.40x = 3,595,193,911,604,567.50
  5. Step 5: Solve for x
    x = 3,595,193,911,604,567.50/55,711,926.40
  6. Step 6: Final answer
    x = 64,531,854.20

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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.