Home / 60,495,249,837.06-90,741,628,651.09-20,161,030,628.40

Finding the Fourth Proportional to 60,495,249,837.06, 90,741,628,651.09 and 20,161,030,628.40

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Solution

The fourth proportional to 60,495,249,837.06, 90,741,628,651.09 and 20,161,030,628.40 is: 30,241,130,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495,249,837.06 : 90,741,628,651.09 = 20,161,030,628.40 : x
  2. Step 2: Convert to fraction form
    60,495,249,837.06/90,741,628,651.09 = 20,161,030,628.40/x
  3. Step 3: Cross multiply
    60,495,249,837.06x = 90,741,628,651.09 × 20,161,030,628.40
  4. Step 4: Simplify right side
    60,495,249,837.06x = 1,829,444,754,505,060,843,520
  5. Step 5: Solve for x
    x = 1,829,444,754,505,060,843,520/60,495,249,837.06
  6. Step 6: Final answer
    x = 30,241,130,657.90

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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.