Home / 145,164,018.90-217,746,028.35-96,791,078.10

Finding the Fourth Proportional to 145,164,018.90, 217,746,028.35 and 96,791,078.10

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Solution

The fourth proportional to 145,164,018.90, 217,746,028.35 and 96,791,078.10 is: 145,186,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164,018.90 : 217,746,028.35 = 96,791,078.10 : x
  2. Step 2: Convert to fraction form
    145,164,018.90/217,746,028.35 = 96,791,078.10/x
  3. Step 3: Cross multiply
    145,164,018.90x = 217,746,028.35 × 96,791,078.10
  4. Step 4: Simplify right side
    145,164,018.90x = 21,075,872,835,989,664
  5. Step 5: Solve for x
    x = 21,075,872,835,989,664/145,164,018.90
  6. Step 6: Final answer
    x = 145,186,617.15

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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.