Home / 81,262,602,000.45-121,893,903,000.67-53,019,648,352.35

Finding the Fourth Proportional to 81,262,602,000.45, 121,893,903,000.67 and 53,019,648,352.35

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Solution

The fourth proportional to 81,262,602,000.45, 121,893,903,000.67 and 53,019,648,352.35 is: 79,529,472,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,262,602,000.45 : 121,893,903,000.67 = 53,019,648,352.35 : x
  2. Step 2: Convert to fraction form
    81,262,602,000.45/121,893,903,000.67 = 53,019,648,352.35/x
  3. Step 3: Cross multiply
    81,262,602,000.45x = 121,893,903,000.67 × 53,019,648,352.35
  4. Step 4: Simplify right side
    81,262,602,000.45x = 6,462,771,873,390,983,643,136
  5. Step 5: Solve for x
    x = 6,462,771,873,390,983,643,136/81,262,602,000.45
  6. Step 6: Final answer
    x = 79,529,472,528.52

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1.5x scale

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.