Home / 86,274,237,913.60-129,411,356,870.40-42,085,556,492.80

Finding the Fourth Proportional to 86,274,237,913.60, 129,411,356,870.40 and 42,085,556,492.80

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Solution

The fourth proportional to 86,274,237,913.60, 129,411,356,870.40 and 42,085,556,492.80 is: 63,128,334,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,274,237,913.60 : 129,411,356,870.40 = 42,085,556,492.80 : x
  2. Step 2: Convert to fraction form
    86,274,237,913.60/129,411,356,870.40 = 42,085,556,492.80/x
  3. Step 3: Cross multiply
    86,274,237,913.60x = 129,411,356,870.40 × 42,085,556,492.80
  4. Step 4: Simplify right side
    86,274,237,913.60x = 5,446,348,970,379,121,262,592
  5. Step 5: Solve for x
    x = 5,446,348,970,379,121,262,592/86,274,237,913.60
  6. Step 6: Final answer
    x = 63,128,334,739.20

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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.