Home / 90,876,985,590.40-136,315,478,385.60-53,219,714,059.60

Finding the Fourth Proportional to 90,876,985,590.40, 136,315,478,385.60 and 53,219,714,059.60

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Solution

The fourth proportional to 90,876,985,590.40, 136,315,478,385.60 and 53,219,714,059.60 is: 79,829,571,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,985,590.40 : 136,315,478,385.60 = 53,219,714,059.60 : x
  2. Step 2: Convert to fraction form
    90,876,985,590.40/136,315,478,385.60 = 53,219,714,059.60/x
  3. Step 3: Cross multiply
    90,876,985,590.40x = 136,315,478,385.60 × 53,219,714,059.60
  4. Step 4: Simplify right side
    90,876,985,590.40x = 7,254,670,781,579,216,814,080
  5. Step 5: Solve for x
    x = 7,254,670,781,579,216,814,080/90,876,985,590.40
  6. Step 6: Final answer
    x = 79,829,571,089.40

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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.