Home / 80,779,038,431.20-121,168,557,646.80-80,779,038,431.20

Finding the Fourth Proportional to 80,779,038,431.20, 121,168,557,646.80 and 80,779,038,431.20

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Solution

The fourth proportional to 80,779,038,431.20, 121,168,557,646.80 and 80,779,038,431.20 is: 121,168,557,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,038,431.20 : 121,168,557,646.80 = 80,779,038,431.20 : x
  2. Step 2: Convert to fraction form
    80,779,038,431.20/121,168,557,646.80 = 80,779,038,431.20/x
  3. Step 3: Cross multiply
    80,779,038,431.20x = 121,168,557,646.80 × 80,779,038,431.20
  4. Step 4: Simplify right side
    80,779,038,431.20x = 9,787,879,574,803,929,104,384
  5. Step 5: Solve for x
    x = 9,787,879,574,803,929,104,384/80,779,038,431.20
  6. Step 6: Final answer
    x = 121,168,557,646.80

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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.