Home / 91,008,038.80-136,512,058.20-58,759,411.60

Finding the Fourth Proportional to 91,008,038.80, 136,512,058.20 and 58,759,411.60

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Solution

The fourth proportional to 91,008,038.80, 136,512,058.20 and 58,759,411.60 is: 88,139,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,038.80 : 136,512,058.20 = 58,759,411.60 : x
  2. Step 2: Convert to fraction form
    91,008,038.80/136,512,058.20 = 58,759,411.60/x
  3. Step 3: Cross multiply
    91,008,038.80x = 136,512,058.20 × 58,759,411.60
  4. Step 4: Simplify right side
    91,008,038.80x = 8,021,368,216,136,955
  5. Step 5: Solve for x
    x = 8,021,368,216,136,955/91,008,038.80
  6. Step 6: Final answer
    x = 88,139,117.40

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1.5x scale

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.