Home / 123,547,066.80-185,319,768.60-31,430,014.32

Finding the Fourth Proportional to 123,547,066.80, 185,319,768.60 and 31,430,014.32

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Solution

The fourth proportional to 123,547,066.80, 185,319,768.60 and 31,430,014.32 is: 47,144,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,547,066.80 : 185,319,768.60 = 31,430,014.32 : x
  2. Step 2: Convert to fraction form
    123,547,066.80/185,319,768.60 = 31,430,014.32/x
  3. Step 3: Cross multiply
    123,547,066.80x = 185,319,768.60 × 31,430,014.32
  4. Step 4: Simplify right side
    123,547,066.80x = 5,824,602,980,877,086
  5. Step 5: Solve for x
    x = 5,824,602,980,877,086/123,547,066.80
  6. Step 6: Final answer
    x = 47,144,809.92

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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.