Home / 91,115,472,418.02-136,623,385,032.93-72,349,308,206.10

Finding the Fourth Proportional to 91,115,472,418.02, 136,623,385,032.93 and 72,349,308,206.10

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Solution

The fourth proportional to 91,115,472,418.02, 136,623,385,032.93 and 72,349,308,206.10 is: 108,484,400,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,115,472,418.02 : 136,623,385,032.93 = 72,349,308,206.10 : x
  2. Step 2: Convert to fraction form
    91,115,472,418.02/136,623,385,032.93 = 72,349,308,206.10/x
  3. Step 3: Cross multiply
    91,115,472,418.02x = 136,623,385,032.93 × 72,349,308,206.10
  4. Step 4: Simplify right side
    91,115,472,418.02x = 9,884,607,391,908,122,066,944
  5. Step 5: Solve for x
    x = 9,884,607,391,908,122,066,944/91,115,472,418.02
  6. Step 6: Final answer
    x = 108,484,400,394.25

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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.