Home / 31,068,240,559.83-42,885,831,275.82-20,364,051,094.20

Finding the Fourth Proportional to 31,068,240,559.83, 42,885,831,275.82 and 20,364,051,094.20

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Solution

The fourth proportional to 31,068,240,559.83, 42,885,831,275.82 and 20,364,051,094.20 is: 28,110,032,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,240,559.83 : 42,885,831,275.82 = 20,364,051,094.20 : x
  2. Step 2: Convert to fraction form
    31,068,240,559.83/42,885,831,275.82 = 20,364,051,094.20/x
  3. Step 3: Cross multiply
    31,068,240,559.83x = 42,885,831,275.82 × 20,364,051,094.20
  4. Step 4: Simplify right side
    31,068,240,559.83x = 873,329,259,318,038,888,448
  5. Step 5: Solve for x
    x = 873,329,259,318,038,888,448/31,068,240,559.83
  6. Step 6: Final answer
    x = 28,110,032,740.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.