Home / 54,438,454.40-81,657,681.60-39,132,953.60

Finding the Fourth Proportional to 54,438,454.40, 81,657,681.60 and 39,132,953.60

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Solution

The fourth proportional to 54,438,454.40, 81,657,681.60 and 39,132,953.60 is: 58,699,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,454.40 : 81,657,681.60 = 39,132,953.60 : x
  2. Step 2: Convert to fraction form
    54,438,454.40/81,657,681.60 = 39,132,953.60/x
  3. Step 3: Cross multiply
    54,438,454.40x = 81,657,681.60 × 39,132,953.60
  4. Step 4: Simplify right side
    54,438,454.40x = 3,195,506,265,136,373.50
  5. Step 5: Solve for x
    x = 3,195,506,265,136,373.50/54,438,454.40
  6. Step 6: Final answer
    x = 58,699,430.40

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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.