Home / 30,136,767,352.40-45,205,151,028.60-9,175,033,701.20

Finding the Fourth Proportional to 30,136,767,352.40, 45,205,151,028.60 and 9,175,033,701.20

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Solution

The fourth proportional to 30,136,767,352.40, 45,205,151,028.60 and 9,175,033,701.20 is: 13,762,550,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136,767,352.40 : 45,205,151,028.60 = 9,175,033,701.20 : x
  2. Step 2: Convert to fraction form
    30,136,767,352.40/45,205,151,028.60 = 9,175,033,701.20/x
  3. Step 3: Cross multiply
    30,136,767,352.40x = 45,205,151,028.60 × 9,175,033,701.20
  4. Step 4: Simplify right side
    30,136,767,352.40x = 414,758,784,155,240,890,368
  5. Step 5: Solve for x
    x = 414,758,784,155,240,890,368/30,136,767,352.40
  6. Step 6: Final answer
    x = 13,762,550,551.80

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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.