Home / 77,961,249,016.61-116,740,472,902.40-53,806,167,002.90

Finding the Fourth Proportional to 77,961,249,016.61, 116,740,472,902.40 and 53,806,167,002.90

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Solution

The fourth proportional to 77,961,249,016.61, 116,740,472,902.40 and 53,806,167,002.90 is: 80,570,250,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,961,249,016.61 : 116,740,472,902.40 = 53,806,167,002.90 : x
  2. Step 2: Convert to fraction form
    77,961,249,016.61/116,740,472,902.40 = 53,806,167,002.90/x
  3. Step 3: Cross multiply
    77,961,249,016.61x = 116,740,472,902.40 × 53,806,167,002.90
  4. Step 4: Simplify right side
    77,961,249,016.61x = 6,281,357,380,984,056,578,048
  5. Step 5: Solve for x
    x = 6,281,357,380,984,056,578,048/77,961,249,016.61
  6. Step 6: Final answer
    x = 80,570,250,736.31

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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.