Home / 102,020,701.09-140,744,232.59-64,831,068.85

Finding the Fourth Proportional to 102,020,701.09, 140,744,232.59 and 64,831,068.85

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Solution

The fourth proportional to 102,020,701.09, 140,744,232.59 and 64,831,068.85 is: 89,438,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,020,701.09 : 140,744,232.59 = 64,831,068.85 : x
  2. Step 2: Convert to fraction form
    102,020,701.09/140,744,232.59 = 64,831,068.85/x
  3. Step 3: Cross multiply
    102,020,701.09x = 140,744,232.59 × 64,831,068.85
  4. Step 4: Simplify right side
    102,020,701.09x = 9,124,599,034,011,556
  5. Step 5: Solve for x
    x = 9,124,599,034,011,556/102,020,701.09
  6. Step 6: Final answer
    x = 89,438,701.52

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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.