Home / 85,648,839,430.02-118,198,588,248.18-51,360,128,518.56

Finding the Fourth Proportional to 85,648,839,430.02, 118,198,588,248.18 and 51,360,128,518.56

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Solution

The fourth proportional to 85,648,839,430.02, 118,198,588,248.18 and 51,360,128,518.56 is: 70,878,890,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,648,839,430.02 : 118,198,588,248.18 = 51,360,128,518.56 : x
  2. Step 2: Convert to fraction form
    85,648,839,430.02/118,198,588,248.18 = 51,360,128,518.56/x
  3. Step 3: Cross multiply
    85,648,839,430.02x = 118,198,588,248.18 × 51,360,128,518.56
  4. Step 4: Simplify right side
    85,648,839,430.02x = 6,070,694,683,138,880,176,128
  5. Step 5: Solve for x
    x = 6,070,694,683,138,880,176,128/85,648,839,430.02
  6. Step 6: Final answer
    x = 70,878,890,169.89

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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.