Home / 181,671,810.12-272,411,955-79,316,273.52

Finding the Fourth Proportional to 181,671,810.12, 272,411,955 and 79,316,273.52

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Solution

The fourth proportional to 181,671,810.12, 272,411,955 and 79,316,273.52 is: 118,932,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,671,810.12 : 272,411,955 = 79,316,273.52 : x
  2. Step 2: Convert to fraction form
    181,671,810.12/272,411,955 = 79,316,273.52/x
  3. Step 3: Cross multiply
    181,671,810.12x = 272,411,955 × 79,316,273.52
  4. Step 4: Simplify right side
    181,671,810.12x = 21,606,701,132,897,932
  5. Step 5: Solve for x
    x = 21,606,701,132,897,932/181,671,810.12
  6. Step 6: Final answer
    x = 118,932,602.25

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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.